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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Butyric Acid, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Butyric Acid impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Butyric Acid-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Butyric Acid Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
α-KETOBUTYRIC ACID, SODIUM SALT 13C4, D2 Stable Isotopes CS-R-00477 360769-17-1 Enquire
(3R)-3-Hydroxybutyric Acid-1-13C Stable Isotopes CS-T-97450 Not Available Enquire
(R)-(-)-3-Hydroxybutyric Acid-d4 Sodium Salt Stable Isotopes CS-T-55645 1795786-46-7 Enquire
1-Pyrenebutyric Acid-13C4 Stable Isotopes CS-T-97904 Not Available Enquire
2-[4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)phenyl]bu... Stable Isotopes CS-T-102036 Not Available Enquire
2-Hydroxy-3-methylbutyric Acid-d7 Stable Isotopes CS-T-103023 4026-18-0(Unlabelled) Enquire
2-Hydroxyisobutyric acid-13C4 Stable Isotopes CS-O-59982 1313734-75-6 Enquire
2-Phosphono-3-(methylbutyric Acid) Triethyl Ester-d7 Stable Isotopes CS-T-94576 35051-50-4 (Unlabelled) Enquire
4-(Methylnitrosamino)-4-(3-pyridyl)butyric Acid-d4 Stable Isotopes CS-T-98774 Not Available Enquire
4-Dimethylaminobutyric Acid Hydrochloride-d6 Stable Isotopes CS-T-100430 Not Available Enquire
4-Dimethylaminobutyric Acid N-Oxide-d12 Stable Isotopes CS-T-96974 Not Available Enquire
4-Hydroxybutyric Acid-13C4 Sodium Salt Stable Isotopes CS-T-102441 1246814-85-6 Enquire
4-Phenylbutyric acid-d11 Stable Isotopes CS-O-10122 358730-86-6 In Stock
Butyric acid-4,4,4-d3 Stable Isotopes CS-ED-00284 36789-14-7 In Stock
d7 Butyric acid hydrazide Stable Isotopes CS-EO-02454 4604-20-0(unlabeled) Enquire
DL-2-aminobutyric Acid-D5 Stable Isotopes CS-T-100859 189365-63-7 Enquire
Erythro-2-methyl-3(Methoxy-d3)-4-phenylbutyric Acid Stable Isotopes CS-T-97535 224627-72-9 Enquire
Gamma-Hydroxybutyric acid glucuronide-d6 Stable Isotopes CS-O-47325 Not Available Enquire
Indole-3-butyric Acid-d4 Stable Isotopes CS-T-98648 1216408-71-7 Enquire
L-2,4-Diaminobutyric Acid-13C4 Dihydrochloride Stable Isotopes CS-T-96979 Not Available Enquire
L-2-Aminobutyric Acid 3,3,4,4,4-d5 Stable Isotopes CS-T-97042 Not Available Enquire
L-2-Aminobutyric Acid D4 Stable Isotopes CS-T-97041 Not Available Enquire
L-2-Aminobutyric Acid-d3 Ester Hydrochloride Stable Isotopes CS-T-97040 Not Available Enquire
N-Nitroso N-methyl 4-Amino Butyric acid 13C,d3,15N (1mg/1ml ... Stable Isotopes CS-O-40106 ---- Enquire
N-Nitroso N-Methyl 4-Amino Butyric acid-13C,d3,15N (1mg/1ml ... Stable Isotopes CS-O-40677 Not Available In Stock
N-Nitroso N-Methyl 4-Amino Butyric acid-13C,d3,15N,1mg/1ml i... Stable Isotopes CS-O-38114 Not Available In Stock
N-Nitroso-N-methyl-4-aminobutyric Acid-13CD3 15N Stable Isotopes CS-O-40038 61445-55-4 (unlabelled) Enquire
N-Nitroso-N-Methyl-4-Aminobutyric acid-d3 Stable Isotopes CS-T-59635 1184996-41-5 In Stock
N-Nitroso-N-Methyl-4-Aminobutyric acid-d3 (2.5mg/ 2 ml in AC... Stable Isotopes CS-O-47966 1184996-41-5 In Stock
rac-2-Aminobutyric Acid-d3 Hydrochloride Stable Isotopes CS-T-94814 2509095-56-9 Enquire
α-Ketobutyric Acid-13C,d2 Sodium Salt Stable Isotopes CS-T-96852 1189500-69-3 Enquire
γ-Hydroxybutyric Acid Sodium Salt-d6 Stable Isotopes CS-T-103169 362049-53-4 Enquire
α-KETOBUTYRIC ACID, SODIUM 13C, D4 Stable Isotopes CS-R-00475 2013-26-5 (Unlabeled) Enquire
α-KETOBUTYRIC ACID, SODIUM SALT METHYL-13C Stable Isotopes CS-R-00478 634908-43-3 Enquire
α-KETOBUTYRIC ACID, SODIUM SALT METHYL-13C, D2 Stable Isotopes CS-R-00479 1007476-77-8 Enquire
α-Ketobutyric Acid-d2 Sodium Salt Stable Isotopes CS-T-30294 1007476-82-5 Enquire
(R)-2-Hydroxy-4-phenylbutyric Acid-d5 Stable Isotopes CS-T-56291 1286987-57-2 Enquire
(R)-2-Methylbutyric Acid Chloride-d3 Stable Isotopes CS-T-81510 1795785-64-6 Enquire
[2-13C]-4-Aminobutyric acid Stable Isotopes CS-EK-01367 56-12-2 unlabeled Enquire
2-Ethyl-2,3,3-trimethylbutyric Acid-d3 Stable Isotopes CS-T-74173 38541-67-2 Enquire
2-Hydroxy-4-phenylbutyric Acid Ethyl Ester-d5 Stable Isotopes CS-T-78382 1189892-05-4 Enquire
2-Phenylbutyric Acid D5 Stable Isotopes CS-T-60393 1189708-92-6 Enquire
2-Phenylbutyric Acid-d5 Methyl Ester Stable Isotopes CS-T-84256 1794940-35-4 Enquire
3-(4-Chlorophenyl)-4-hydroxybutyric acid, sodium salt 13C6 Stable Isotopes CS-EK-01922 1346603-21-1 unlabeled Enquire
3-(4-Chlorophenyl)-4-hydroxybutyric acid, sodium salt D4 Stable Isotopes CS-CX-00223 1346600-25-6 Enquire
3-Oxobutyric Acid Methyl-d3 Ester Stable Isotopes CS-O-10422 107694-22-4 Enquire
4-(Methylnitrosamino-d3)-4-(3-pyridyl)butyric Acid Stable Isotopes CS-T-80695 1330277-38-7 Enquire
4-Acetylbutyric Acid-d5 (Major) Stable Isotopes CS-T-64377 1246817-13-9 Enquire
4-Phenylbutyric Acid-13C6 Stable Isotopes CS-T-84237 1346602-38-7 Enquire
Isobutyric acid 13C2,D6 Stable Isotopes CS-CX-00513 769884-60-8 Enquire
L-2-Aminobutyric Acid D1 (Contain up to 3% d0) Stable Isotopes CS-T-65281 175274-24-5 Enquire
L-2-Aminobutyric Acid-d5 Methyl Ester Hydrochloride Stable Isotopes CS-T-66063 1346617-05-7 Enquire
L-Aminobutyric Acid-d3 Stable Isotopes CS-T-47655 929202-07-3 Enquire
N-Methyl-4-aminobutyric Acid-d3 Stable Isotopes CS-T-57915 1215511-11-7 Enquire
N-nitroso-N-methyl-4-aminobutyric acid (1,2,3,4-13C4) Stable Isotopes CS-O-37293 2483735-31-3 Enquire
N-Nitroso-N-methyl-4-aminobutyric Acid-d3 (2.5mg/ 2 mL in Me... Stable Isotopes CS-O-38660 1184996-41-5 Enquire
N-Nitroso-N-methyl-4-aminobutyric Acid-d3 Methyl Ester Stable Isotopes CS-T-83216 1246817-93-5 Enquire
N-TriMethyl-γ-aMinobutyric Acid-d9 Chloride Stable Isotopes CS-T-50172 85806-17-3 Enquire
rac 3-Hydroxybutyric Acid-13C4 Sodium Salt Stable Isotopes CS-T-79151 287111-43-7 Enquire
rac 3-Hydroxybutyric Acid-d2 Sodium Salt Stable Isotopes CS-T-55644 352439-00-0 Enquire
rac 3-Hydroxybutyric Acid-d4 Sodium Salt Stable Isotopes CS-T-55643 1219804-68-8 Enquire
rac-2,4-Diaminobutyric Acid-d5 Dihydrochloride Stable Isotopes CS-T-89032 1794713-67-9 Enquire
Saxitoxin-[15N4] Bis-heptafluorobutyric acid salt Stable Isotopes CS-I-00104 884335-29-9(Unlabeled) Enquire
Saxitoxin-[15N4] Bis-heptafluorobutyric acid salt (Solution) Stable Isotopes CS-I-00669 Not Available Enquire
α-Aminoisobutyric acid-1-14C Stable Isotopes CS-O-37341 917-98-6 Enquire
γ-Hydroxybutyric Acid-d4 Glucuronide Stable Isotopes CS-T-78867 1439528-95-6 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
-(S)-3-amino-4-(4-fluoro-phenyl)-butyric acid API CS-M-29488 270062-83-4 Enquire


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3-(4-Chlorophenyl)-4-hydroxybutyric acid, sodium Metabolite CS-EK-01712 1346603-21-1 Enquire
2,4-Bis(methylthio)butyric acid Metabolite CS-ED-02361 Not Available Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-(4-Amino-1-oxoisoindolin-2-yl)-4-carbamoyl Butyric Acid Impurity CS-T-66533 2197414-57-4 In Stock
4-(4-Methoxyphenyl)butyric acid Impurity CS-CG-00154 4521-28-2 In Stock
4-{5-[Bis-(2-hydroxy-ethyl)-amino]-1-methyl-1H-benzoimidazol... Impurity CS-O-31946 3543-74-6 In Stock
L-2-Aminobutyric Acid Methyl Ester Hydrochloride Impurity CS-T-02092 56545-22-3 In Stock
α-Acetamino-α-carboxy-(3-indole)-butyric Acid Impurity CS-T-00255 408537-42-8 Enquire
β-(Chlorophenyl)-g-hydroxybutyric acid Impurity CS-O-15061 1511329-59-1 Enquire
γ-Oxo-3-pyridinebutyric Acid, N-Hydroxysuccinimide Este... Impurity CS-T-60043 1076199-29-5 Enquire
(6,6)-PHENYL C71 BUTYRIC ACID METHYL ESTER, 99% (MIXTURE OF ... Impurity CS-DV-00230 609771-63-3 Enquire
(R)-(-)-2-Phenylbutyric Acid Impurity CS-T-60407 938-79-4 Enquire
(R)-2,3-Dimethylbutyric Acid Impurity CS-T-19856 27855-05-6 Enquire
(R)-2-Methylbutyric Acid Impurity CS-T-33352 32231-50-8 Enquire
(R)-3-(4-Chlorophenyl)-4-hydroxybutyric Acid Sodium Salt Impurity CS-T-72227 1346617-22-8 Enquire
(R)-3-Amino-butyric acid methyl ester, HCl Impurity CS-AC-02089 139243-54-2 Enquire
(S)-(+)-2-Amino-4-bromobutyric acid hydrobromide Impurity CS-AC-04332 15159-65-6 Enquire
(S)-(+)-2-Hydroxy-3-methylbutyric acid Impurity CS-AC-09338 17407-55-5 Enquire
(S)-(+)-2-Methylbutyric Acid Impurity CS-T-33348 1730-91-2 Enquire
(S)-2-Bromobutyric Acid Impurity CS-T-07252 32659-49-7 Enquire
(S)-2-Hydroxy-4-phenylbutyric Acid Impurity CS-T-78247 115016-95-0 Enquire
(S)-2-Hydroxy-4-phenylbutyric Acid Ethyl Ester Impurity CS-T-78157 125639-64-7 Enquire
(S)-3-(4-Chlorophenyl)-4-hydroxybutyric Acid Sodium Salt Impurity CS-T-72226 1346617-13-7 Enquire
(S)-3-(Boc-amino)-4-phenylbutyric acid Impurity CS-AC-04398 51871-62-6 Enquire
(S)-3-Aminobutyric acid Impurity CS-AC-02272 3775-72-2 Enquire
[6,6]-phenyl-C61-butyric acid methyl ester Impurity CS-DV-00467 160848-22-6 Enquire
1-Pyrenebutyric Acid Impurity CS-T-60912 3443-45-6 Enquire
2-(4-Methoxy-benzenesulfonylamino)-3-methyl-butyric acid Impurity CS-M-07016 197965-89-2 Enquire
2-(Propylamino)butyric Acid Ethyl Ester Impurity CS-T-60826 90726-88-8 Enquire
2-[(2,3-Dihydro-benzo[1,4]dioxine-6-carbonyl)-amino]-butyric... Impurity CS-M-04494 436855-75-3 Enquire
2-[(5-Methyl-furan-2-carbonyl)-amino]-4-methylsulfanylbutyri... Impurity CS-M-03799 324001-24-3 Enquire
2-[4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)phenyl]bu... Impurity CS-T-61931 1282659-60-2 Enquire
2-[Butyryl-(2'-cyano-biphenyl-4-ylmethyl)-amino]-3-methyl-bu... Impurity CS-O-40267 Not Available Enquire
2-Acetylthioisobutyric Acid Impurity CS-T-01184 135937-96-1 Enquire
2-Amino-4-Mercapto-3,3-Dimethylbutyric Acid Impurity CS-P-07258 875841-51-3 Enquire
2-Mercaptoisobutyric Acid Impurity CS-T-32019 4695-31-2 Enquire
2-Mercaptophenylbutyric Acid Impurity CS-T-32037 359436-78-5 Enquire
2-p-Tolyloxy-butyric acid Impurity CS-M-10144 143094-64-8 Enquire
3-[1,2,4]Triazol-1-yl-butyric acid Impurity CS-M-07452 801228-15-9 Enquire
3-Amino-3-methylbutyric acid Impurity CS-M-07493 625-05-8 Enquire
3-Mercaptophenylbutyric Acid Impurity CS-T-32038 359436-80-9 Enquire
4-(2,3-Dihydro-benzo[1,4]dioxin-6-yl)-4-oxo-butyric acid Impurity CS-M-07438 54557-81-2 Enquire
4-(2,3-Dihydro-benzo[1,4]dioxine-6-sulfonylamino)-butyric ac... Impurity CS-M-04126 300571-94-2 Enquire
4-(2,3-Dihydroxyphenyl)butyric Acid Impurity CS-T-53187 79638-23-6 Enquire
4-(2,4-Dimethyl-phenyl)-4-oxo-butyric acid Impurity CS-M-10022 15880-03-2 Enquire
4-(2,5-Dioxo-pyrrolidin-1-yl)-butyric acid Impurity CS-M-09370 31601-68-0 Enquire
4-(2-Methoxy-phenyl)-3-oxo-butyric acid methyl ester Impurity CS-M-50741 131644-96-7 Enquire
4-(2-Oxo-pyrrolidin-1-yl)-butyric acid Impurity CS-M-07050 6739-80-6 Enquire
4-(3,4-Dihydroxyphenyl)butyric Acid Impurity CS-T-53186 70217-89-9 Enquire
4-(4-Benzyl-phenyl)-4-oxo-butyric acid Impurity CS-M-07613 63471-85-2 Enquire
4-(4-Fluoro-phenyl)-3-oxo-butyric acid methyl ester Impurity CS-M-50679 500366-84-7 Enquire
4-(4-Methoxy-2-methyl-phenyl)-butyric acid Impurity CS-M-09085 6307-30-8 Enquire
4-(4-Nitro-pyrazol-1-yl)-butyric acid Impurity CS-M-07356 898053-45-7 Enquire
4-(Benzo[1,3]dioxol-5-ylcarbamoyl)-3,3-dimethyl-butyric acid Impurity CS-M-04226 436088-57-2 Enquire
4-(Methylnitrosamino)-4-(3-pyridyl)butyric Acid Impurity CS-T-58507 123743-84-0 Enquire
4-(Methylnitrosamino)-4-(3-pyridyl)butyric Acid Methyl Ester Impurity CS-T-80800 1246820-63-2 Enquire
4-[1,2,4]Triazol-1-yl-butyric acid Impurity CS-M-08565 158147-52-5 Enquire
4-[3-(2-Methoxy-phenyl)-[1,2,4]oxadiazol-5-yl]-butyric acid Impurity CS-M-10894 883546-54-1 Enquire
4-[3-(3-Methoxy-phenyl)-[1,2,4]oxadiazol-5-yl]-butyric acid Impurity CS-M-10896 883546-59-6 Enquire
4-Amino-3-(4-methoxy-phenyl)-butyric acid Impurity CS-M-07669 24314-15-6 Enquire
4-Aminobutyric Acid Hydroiodide Impurity CS-DE-01338 2096495-60-0 Enquire
4-Hydroxy-4-(5,6,7,8-tetrahydro-naphthalen-2-yl)-butyric aci... Impurity CS-M-23115 919018-30-7 Enquire
4-Mercaptobutyric Acid Impurity CS-T-32008 13095-73-3 Enquire
4-Mercaptophenylbutyric Acid Impurity CS-T-32039 359436-81-0 Enquire
4-Nitrobutyric Acid Methyl Ester Impurity CS-T-59405 13013-02-0 Enquire
5,5-Diphenylhydantoin-3-butyric Acid Impurity CS-T-53822 56976-66-0 Enquire
a-Ketobutyric Acid Impurity CS-T-30291 600-18-0 Enquire
Boc-(R)-3-Amino-4-phenylbutyric acid Impurity CS-DL-00775 101555-61-7 Enquire
Fmoc-(R)-3-amino-4-(4-t-butyl-phenyl)-butyric acid Impurity CS-AC-02252 401916-49-2 Enquire
R-2-Hydroxy-4-phenyl butyric acid ethyl ester Impurity CS-O-31633 90315-82-5 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(S)-2-((S)-2-CYCLOHEXYL-2-[(PYRAZINE-2-CARBONYL)-AMINO]-ACET... Intermediate CS-T-13932 402958-96-7 In Stock
2-Aminoisobutyric acid Intermediate CS-T-33012 62-57-7 In Stock
2-Hydroxy-3-methylbutyric Acid Intermediate CS-T-27770 4026-18-0 In Stock
2-Phenylbutyric Acid Intermediate CS-T-39399 90-27-7 In Stock
3-Mercaptoisobutyric Acid Intermediate CS-O-07520 26473-47-2 In Stock
4-(4-Methylphenyl)-4-oxobutyric Acid Intermediate CS-MM-02223 4619-20-9 In Stock
4-Acrylamidobutyric acid Intermediate CS-O-49363 53370-87-9 Enquire
4-amino-2-hydroxy butyric acid Intermediate CS-M-55295 40371-51-5 In Stock
4-Maleimidobutyric Acid N-Succinimidyl Ester Intermediate CS-T-31465 80307-12-6 In Stock
DL-2-Aminobutyric acid Intermediate CS-M-47203 2835-81-6 In Stock
L-Aminobutyric Acid Intermediate CS-T-02088 1492-24-6 In Stock
rac 3-Hydroxybutyric Acid Sodium Salt Intermediate CS-T-26912 150-83-4 In Stock


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2,2-Dimethylbutyric acid glucuronide Glucuronide CS-O-42892 130942-90-4 Enquire
Gamma-Hydroxybutyric Acid Glucuronide Glucuronide CS-T-78806 1439527-93-1 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-2-Bromobutyric Acid Fine Chemicals CS-T-07251 2681-94-9 In Stock
(R)-2-Hydroxybutyric acid Fine Chemicals CS-BX-01056 20016-85-7 In Stock
2-Hydroxy-2-Methylbutyric Acid Fine Chemicals CS-MM-24037 3739-30-8 In Stock
2-Hydroxyisobutyric Acid Fine Chemicals CS-O-16203 594-61-6 In Stock
2-Oxo-4-phenylbutyric acid Fine Chemicals CS-DV-01844 710-11-2 In Stock
3-Hydroxybutyric Acid Fine Chemicals CS-O-15792 300-85-6 Enquire
3-Mercaptobutyric Acid Fine Chemicals CS-O-57260 26473-49-4 Enquire
4-Amino-3-phenyl-butyric acid Fine Chemicals CS-M-04016 1078-21-3 In Stock
4-Hydroxybutyric Acid Methyl Ester Fine Chemicals CS-T-26918 925-57-5 In Stock
Butanoic acid Fine Chemicals CS-T-09684 107-92-6 In Stock
Heptafluorobutyric Acid Fine Chemicals CS-T-25935 375-22-4 Enquire
Isobutyric Acid Fine Chemicals CS-BX-00492 79-31-2 In Stock
(±)-2,4-Dihydroxybutyric acid lithium salt Fine Chemicals CS-BX-00829 1518-62-3 (free acid) Enquire
(3S,2S)-2,3-Diaminobutyric acid dihydrochloride Fine Chemicals CS-O-38647 121054-30-6 Enquire
(S)-2-Chlorobutyric Acid Fine Chemicals CS-EC-00084 32653-32-0 Enquire
2 -Aminobutyric acid Isopropyl ester Hydrochloride Fine Chemicals CS-O-36845 2470440-29-8 Enquire
2-​Bromoisobutyric Acid Fine Chemicals CS-DE-01500 2052-01-9 Enquire
2-(Dimethylamino)-2-Phenylbutyric Acid Fine Chemicals CS-O-34294 85614-51-3 Enquire
2,4,4,4-Tetrachlorobutyric acid chloride Fine Chemicals CS-ED-02037 68121-36-8 Enquire
3-Hydroxybutyric Acid Magnesium Salt Fine Chemicals CS-T-78530 163452-00-4 Enquire
4-(3-hydroxyphenyl)-4-oxobutyric acid Fine Chemicals CS-O-37015 56872-07-2 Enquire
4-(3-Thienyl)butyric acid Fine Chemicals CS-MM-14612 1505-47-1 Enquire
4-(4-Fluorobenzoyl)-Butyric acid Fine Chemicals CS-O-31347 149437-76-3 Enquire
4-Bromobutyric Acid Fine Chemicals CS-T-08014 2623-87-2 Enquire
4-Dimethylamino-3-Phenyl-Butyric Acid Hydrochloride Fine Chemicals CS-TB-39601 1965310-06-8 Enquire
4-Hydroxybutyric Acid Benzyl Ester Fine Chemicals CS-T-78509 91970-62-6 Enquire
4-Sulfamoylbutyric Acid Fine Chemicals CS-T-42931 175476-52-5 Enquire
DL-4-Amino-2-fluorobutyric acid Fine Chemicals CS-M-02072 34069-57-3 Enquire
Indolylbutyric acid Fine Chemicals CS-ED-01128 1511720-78-7 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso-N-methyl-4-aminobutyric Acid Nitrosamine CS-T-37244 61445-55-4 In Stock
N-Nitroso-N-methyl-4-aminobutyric Acid (0.5mg/1ml) in Methan... Nitrosamine CS-O-45339 61445-55-4 Enquire
N-Nitroso-N-methyl-4-aminobutyric Acid (1mg/1ml) in ACN Nitrosamine CS-O-39419 61445-55-4 In Stock
N-Nitroso-N-Methyl-4-Amino Butyric acid. 1-Phenylethan-1-ami... Nitrosamine CS-O-35107 61445-55-4 (Free acid) Enquire
N-Nitroso-N-methyl-4-aminobutyric Acid (2mg/10ml in MeOH) Nitrosamine CS-T-93739 61445-55-4 Enquire
N-Nitroso-N-methyl-4-aminobutyric Acid Methyl Ester Nitrosamine CS-T-59636 51938-17-1 Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Phenylbutyric Acid Secondary Standards CS-SS-26137-1GM 90-27-7 Enquire
N-Nitrosomethylaminobutyric Acid (NMBA) Secondary Standards CS-SS-26177-1ML 61445-55-4 Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-(-)-3-Hydroxybutyric Acid-d3 Sodium Salt Stable Isotope Reagent CS-T-79407 344298-82-4 Enquire
(S)-2-Methoxycarbonylamino-3-methylbutyric acid-13CD3 Stable Isotope Reagent CS-O-47074 Not Available Enquire
4-AMINOBUTYRIC ACID-13C4 Stable Isotope Reagent CS-O-42992 Not Available Enquire
Butyric acid-1,2-13C2 Stable Isotope Reagent CS-O-59918 286367-72-4 Enquire
Butyric-2,2-d2 Acid Stable Isotope Reagent CS-C-00789 19136-92-6 In Stock
Butyric-d7 acid Stable Isotope Reagent CS-BX-00302 73607-83-7 Enquire
(R)-2-Hydroxy-4-phenylbutyric Acid-d5 Ethyl Ester Stable Isotope Reagent CS-T-56294 1286413-90-8 Enquire
4-(2,4-Dichlorophenoxy-d3)butyric Acid Stable Isotope Reagent CS-C-01127 1219802-46-6 Enquire
4-(4-Chloro-2-methylphenoxy-d3)butyric Acid Stable Isotope Reagent CS-C-01227 1219803-42-5 Enquire
Butyric acid D8 Stable Isotope Reagent CS-BX-00337 202468-80-2 Enquire
L-2-Aminobutyric Acid-d6 Stable Isotope Reagent CS-T-65809 1276197-51-3 Enquire
rac-3-Aminoisobutyric Acid-d3 Hydrochloride Stable Isotope Reagent CS-T-65661 1346602-62-7 Enquire


Polymers

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Poly(ethylene glycol), (a-carboxy *butyric acid], w-hydroxy)... Polymers CS-PM-01044 Not Available Enquire
Poly(ethylene glycol), (a-carboxy *isobutyric acid], w-hydro... Polymers CS-PM-01045 Not Available Enquire


Therapeutic

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(3R)-4-Cyano-3-hydroxybutyric Acid Ethyl Ester Therapeutic CS-O-31954 141942-85-0 In Stock


Analytical Standard

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso-N-methyl-4-aminobutyric Acid Analytical Standard CS-T-37244-10MG 61445-55-4 Enquire
N-nitroso-N-methyl-4-aminobutyric acid (NMBA)-100 PPM in Ace... Analytical Standard CS-T-37244-1.5ML 61445-55-4 Enquire


Biochemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Indole-3-Butyric Acid (IBA) for tissue culture, 98% Biochemicals CS-SR-00092 133-32-4 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-​Oxo-​4-​phenylbutyric Acid Building Blocks CS-DE-01551 710-11-2 Enquire
(Fmoc-(R)-3-Amino-4-(3-benzothienyl)-butyric acid Building Blocks CS-M-30044 269396-51-2 Enquire
(Fmoc-(R)-3-Amino-4-(4-cyano-phenyl)-butyric acid Building Blocks CS-M-30054 269726-87-6 Enquire
(Fmoc-(R)-3-amino-4-(4-methylphenyl)butyric acid Building Blocks CS-M-30057 269398-86-9 Enquire
(R)-2-(3,4,5-Trimethoxyphenyl)butyric acid Building Blocks CS-O-43606 1212160-00-3 Enquire
(R/S)-2-(3,4,5-Trimethoxyphenyl)butyric acid Building Blocks CS-O-43607 195202-06-3 Enquire
(S)-(+)-2-Hydroxy-4-phthalimidobutyric Acid Building Blocks CS-T-93953 48172-10-7 Enquire
:Fmoc-(R)-3-amino-4-(2-methyl-phenyl)-butyric acid Building Blocks CS-M-30038 269398-81-4 Enquire
:Fmoc-(R)-3-amino-4-(2-naphthyl)-butyric acid Building Blocks CS-M-30040 269398-91-6 Enquire
:Fmoc-(R)-3-amino-4-(4-trifluoromethyl-phenyl)-butyric acid Building Blocks CS-M-30060 269726-78-5 Enquire
:Fmoc-(S)-3-amino-4-(4-methyl-phenyl)-butyric acid Building Blocks CS-M-29490 270062-97-0 Enquire
3-Trifluoromethylbutyric acid Building Blocks CS-M-02780 348-75-4 Enquire
4,4,4-Trifluorobutyric acid Building Blocks CS-M-01560 406-93-9 Enquire
Boc-D-2-amino-4-(ethylthio)butyric acid Building Blocks CS-M-29617 108329-74-4 Enquire
Estradiol-7-alpha-butyric Acid Building Blocks CS-TB-43211 55592-40-0 Enquire
Fmoc-(R)-3-amino-4-(1-naphthyl)-butyric acid Building Blocks CS-M-30032 269398-89-2 Enquire
Fmoc-(R)-3-amino-4-(2,4-dichlorophenyl)butyric acid, Building Blocks CS-M-30033 269396-54-5 Enquire
Fmoc-(R)-3-amino-4-(2-chloro-phenyl)-butyric acid Building Blocks CS-M-30034 268734-29-8 Enquire
Fmoc-(R)-3-amino-4-(2-cyano-phenyl)-butyric acid Building Blocks CS-M-30035 269726-81-0 Enquire
FMOC-(R)-3-AMINO-4-(2-FLUORO-PHENYL)-BUTYRIC ACID Building Blocks CS-M-30036 331763-63-4 Enquire
Fmoc-(R)-3-amino-4-(2-furyl)-butyric acid Building Blocks CS-M-30037 270596-34-4 Enquire
Fmoc-(R)-3-amino-4-(2-trifluoromethylphenyl)-butyric acid Building Blocks CS-M-30041 269726-72-9 Enquire
Fmoc-(R)-3-amino-4-(3,4-dichloro-phenyl)-butyric acid Building Blocks CS-M-30042 269396-57-8 Enquire
FMOC-(R)-3-AMINO-4-(3-CHLORO-PHENYL)-BUTYRIC ACID Building Blocks CS-M-30045 331763-57-6 Enquire
Fmoc-(R)-3-amino-4-(3-cyano-phenyl)-butyric acid Building Blocks CS-M-30046 269726-84-3 Enquire
Fmoc-(r)-3-amino-4-(3-fluorophenyl)-butyric acid. Building Blocks CS-M-30047 331763-67-8 Enquire
Fmoc-(R)-3-amino-4-(3-methylphenyl)butyric acid Building Blocks CS-M-30048 269398-84-7 Enquire
Fmoc-(R)-3-amino-4-(3-pyridyl)-butyric acid Building Blocks CS-M-30049 269396-66-9 Enquire
Fmoc-(R)-3-Amino-4-(3-thienyl)-butyric acid Building Blocks CS-M-30050 269726-93-4 Enquire
Fmoc-(R)-3-amino-4-(3-trifluoromethylphenyl)-butyric acid, Building Blocks CS-M-30051 269726-75-2 Enquire
Fmoc-(R)-3-amino-4-(4-bromophenyl)butyric acid Building Blocks CS-M-30052 331763-76-9 Enquire
Fmoc-(R)-3-amino-4-(4-chlorophenyl)butyric acid, Building Blocks CS-M-30053 331763-60-1 Enquire
Fmoc-(R)-3-amino-4-(4-fluorophenyl)-butyric acid, Building Blocks CS-M-30055 331763-70-3 Enquire
Fmoc-(R)-3-amino-4-(4-iodophenyl)-butyric acid Building Blocks CS-M-30056 269396-73-8 Enquire
Fmoc-(R)-3-amino-4-(4-nitro-phenyl)-butyric acid Building Blocks CS-M-30058 269398-78-9 Enquire
Fmoc-(R)-3-amino-4-(4-pyridyl)-butyric acid Building Blocks CS-M-30059 269396-69-2 Enquire
Fmoc-(S)-3-amino-4-(1-naphthyl)-butyric acid Building Blocks CS-M-30065 270063-38-2 Enquire
Fmoc-(S)-3-amino-4-(2,4-dichlorophenyl)butyric acid Building Blocks CS-M-30066 270063-49-5 Enquire
FMOC-(S)-3-AMINO-4-(2-CHLORO-PHENYL)-BUTYRIC ACID Building Blocks CS-M-30067 270596-37-7 Enquire
Fmoc-(S)-3-amino-4-(2-cyano-phenyl)-butyric acid Building Blocks CS-M-30068 270065-84-4 Enquire
Fmoc-(S)-3-amino-4-(2-fluoro-phenyl)-butyric acid Building Blocks CS-M-30069 270596-49-1 Enquire
Fmoc-(S)-3-Amino-4-(2-furyl)-butyric acid. Building Blocks CS-M-30070 270263-07-5 Enquire
Fmoc-(S)-3-amino-4-(2-methylphenyl)-butyric acid Building Blocks CS-M-30071 270062-91-4 Enquire
Fmoc-(S)-3-Amino-4-(2-naphthyl)-butyric acid Building Blocks CS-M-30072 270063-40-6 Enquire
Fmoc-(S)-3-Amino-4-(2-thienyl)-butyric acid Building Blocks CS-M-30073 270262-98-1 Enquire
Fmoc-(S)-3-amino-4-(2-trifluoromethyl-phenyl)-butyric acid Building Blocks CS-M-30074 270065-75-3 Enquire
Fmoc-(S)-3-amino-4-(3,4-dichloro-phenyl)-butyric acid Building Blocks CS-M-30075 270063-52-0 Enquire
Fmoc-(S)-3-amino-4-(3,4-difluorophenyl)-butyric acid Building Blocks CS-M-30076 270063-55-3 Enquire
Fmoc-(S)-3-Amino-4-(3-benzothienyl)-butyric acid Building Blocks CS-M-30077 270063-46-2 Enquire
Fmoc-(S)-3-amino-4-(3-chloro-phenyl)-butyric acid Building Blocks CS-M-30078 270596-40-2 Enquire
Fmoc-(S)-3-amino-4-(3-cyano-phenyl)-butyric acid Building Blocks CS-M-30079 270065-87-7 Enquire
Fmoc-(S)-3-amino-4-(3-fluoro-phenyl)-butyric acid Building Blocks CS-M-30080 270596-52-6 Enquire
Fmoc-(S)-3-amino-4-(3-pyridyl)-butyric acid Building Blocks CS-M-30082 270063-60-0 Enquire
Fmoc-(S)-3-amino-4-(3-thienyl)-butyric acid Building Blocks CS-M-30083 270263-01-9 Enquire
Fmoc-(S)-3-amino-4-(3-trifluoromethylphenyl)-butyric acid Building Blocks CS-M-30084 270065-78-6 Enquire
Fmoc-(S)-3-amino-4-(4-bromo-phenyl)-butyric acid. Building Blocks CS-M-30085 270062-86-7 Enquire
Fmoc-(S)-3-amino-4-(4-chloro-phenyl)-butyric acid Building Blocks CS-M-30086 270596-43-5 Enquire
Fmoc-(s)-3-amino-4-(4-iodo-phenyl)-butyric acid. Building Blocks CS-M-29489 270065-72-0 Enquire
Fmoc-(S)-3-amino-4-(4-nitrophenyl)butyric acid Building Blocks CS-M-29491 270062-88-9 Enquire
FMOC-(S)-3-AMINO-4-(4-PYRIDYL)-BUTYRIC ACID Building Blocks CS-M-29492 270065-69-5 Enquire
Fmoc-2-amino-4,4,4-trifluorobutyric acid Building Blocks CS-M-29482 1219145-37-5 Enquire
Fmoc-a-aminoisobutyric acid Building Blocks CS-M-29503 94744-50-0 Enquire
Fmoc--aminobutyric acid Building Blocks CS-M-29527 116821-47-7 Enquire
Fmoc-DL-ß-aminoisobutyric acid Building Blocks CS-M-29526 186320-19-4 Enquire
Fmoc-L-a-aminobutyric acid Building Blocks CS-M-29530 135112-27-5 Enquire
N-Acetyl-DL-2-Aminobutyric Acid（AC-DL-Abu-OH） Building Blocks CS-G-00108 7682-14-6 Enquire
N-Fmoc-(2s,3s)-3-amino-2-hydroxy-4-phenyl-butyric acid Building Blocks CS-T-74953 210754-59-9 Enquire


Deuterated Reagents

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3-Methylbutyric Acid-D9 Deuterated Reagents CS-T-56926 344298-81-3 Enquire
(R)-2-Methylbutyric Acid-d3 Deuterated Reagents CS-T-58023 1346617-08-0 Enquire
(S)-(+)-2-Methylbutyric Acid-d3 Deuterated Reagents CS-T-80363 175779-05-2 Enquire
2 2-dimethylbutyric acid-D3 Deuterated Reagents CS-O-42071 1808952-83-1 Enquire
DL-2-Methyl-d3-butyric Acid Deuterated Reagents CS-T-58071 95926-92-4 Enquire