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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Butanol, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Butanol 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 Butanol-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.

Butanol Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2R)-2,3-Dimethyl-1-butanol-d3 Stable Isotopes CS-T-97575 1329509-41-2 Enquire
(3S)-2,3-Dimethyl-4-[(tetrahydro-2H-pyran-2-yl)oxy]-2-butano... Stable Isotopes CS-T-101472 Not Available Enquire
1-(3-Pyridyl)-1-butanol-4-carboxylic Acid-13C6 Ammonium Salt Stable Isotopes CS-T-98757 Not Available Enquire
1-Butanol-[d3] Stable Isotopes CS-T-96030 64156-70-3 Enquire
2-Methyl-4-(phenylthio)-2-butanol-d6 Stable Isotopes CS-T-99167 Not Available Enquire
4-(Acetylmethylamino)-1-(3-pyridyl)-1-butanol-d6 Stable Isotopes CS-T-98788 887352-16-1 (Unlabelled) Enquire
4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanol-d3 O-β-D-Glucu... Stable Isotopes CS-T-98432 Not Available Enquire
4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanol-d5 O-b-D-Glucu... Stable Isotopes CS-T-98433 Not Available Enquire
4-(Methylnitrosamino)-1-(3-pyridyl-N-oxide)-1-butanol-d3 Stable Isotopes CS-T-98773 Not Available Enquire
4-(Methylnitrosamino-d3)-1-(3-pyridyl)-1-butanol N-beta-D-Gl... Stable Isotopes CS-T-98431 Not Available Enquire
Isobutanol-d7 Stable Isotopes CS-CX-00509 1219804-53-1 In Stock
2-(N-Benzyl-N-methyl)amino-2-phenylbutanol-d5 Stable Isotopes CS-T-48929 1330265-76-3 Enquire
2,2-Dimethyl-1-butanol D6 Stable Isotopes CS-T-58026 101419-74-3 Enquire
2-Benzylamino-2-phenylbutanol D5 Stable Isotopes CS-T-48805 1246818-61-0 Enquire
2-Butanol D3 Stable Isotopes CS-T-49966 53716-61-3 Enquire
3-Mercapto-3-methylbutanol-d6 Stable Isotopes CS-T-80443 162404-35-5 Enquire
4-(Methylamino)-1-(3-pyridyl)-1-butanol-1,2,3,4,5,6 13C6 Stable Isotopes CS-T-57933 1216991-24-0 Enquire
4-(Methylamino)-1-(3-pyridyl)-1-butanol-d3 Stable Isotopes CS-T-57934 1189642-32-7 Enquire
4-(Methyl-d3-nitrosamino)-1-(3-pyridyl)-1-butanol Stable Isotopes CS-T-58503 1020719-61-2 Enquire
4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanol-1,2,3,4,5,6 13... Stable Isotopes CS-T-58502 1189877-28-8 Enquire
4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanol-d5 Stable Isotopes CS-T-80714 1794885-45-2 Enquire
Isobutanol D6 Stable Isotopes CS-CX-00508 72182-69-5 Enquire
Isobutanol D8 Stable Isotopes CS-CX-00510 1261396-42-2 Enquire
L-2-Aminobutanol-d5 Stable Isotopes CS-T-65173 1217783-40-8 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Chlorobutanol API CS-EB-00475 57-15-8 Enquire
Cyclobutanol API CS-T-13941 2919-23-5 Enquire


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Methyl-1-butanol Metabolite CS-O-16358 137-32-6 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-2-Butanol Impurity CS-BL-00113 14898-79-4 Enquire
2-amino-2-phenylbutanol Impurity CS-O-44771 39068-91-2 Enquire
2-phenyl-2-dimethylamino-1-butanol Impurity CS-O-44772 132787-83-8 Enquire
Febuxostat 2-butanol Isomer Impurity CS-O-14983 1335202-59-9 In Stock
(2R)-2,3-Dimethyl-1-butanol Impurity CS-T-19857 15019-27-9 Enquire
(2S,3R)-(+)-4-Dimethylamino-1,2-diphenyl-3-methyl-2-butanol Impurity CS-DV-00130 38345-66-3 Enquire
(3R)-2,3-Dimethyl-4-(phenylsulfonyl)-2-butanol Impurity CS-T-19876 93748-50-6 Enquire
(R)-4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanol Impurity CS-T-58387 197712-01-9 Enquire
(S)-(+)-2-Amino-3-methyl-1-butanol Impurity CS-M-11087 2026-48-4 Enquire
(S)-2,3-Dimethyl-1-butanol Impurity CS-T-19859 15071-36-0 Enquire
2-Amino-β-methyl-9H-purine-9-butanol 9-Acetate Impurity CS-T-47946 174155-70-5 Enquire
4-(Methylnitrosamino)-1-(3-pyridyl-N-oxide)-1-butanol Impurity CS-T-58508 85352-99-4 Enquire
4-(t-Boc-amino)-1-butanol Impurity CS-T-07423 75178-87-9 Enquire
cis-3-Aminocyclobutanol hydrochloride Impurity CS-EL-06194 1219019-22-3 Enquire
Cis-3-benzyloxymethylcyclobutanol Impurity CS-AC-12162 172324-68-4 Enquire
L-2-Aminobutanol Impurity CS-T-02037 5856-62-2 Enquire
trans-3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]cyclobutanol Impurity CS-EM-01562 1408075-44-4 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Methyl-1,3-propandiol (ß-Hydroxyisobutanol) Intermediate CS-T-79537 2163-42-0 In Stock
4-Bromo-2-methyl-2-butanol Intermediate CS-T-08496 35979-69-2 In Stock
Chlorbutanol Hemihydrate Intermediate CS-T-11257 6001-64-5 In Stock


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanol-Beta-D-Glucuro... Glucuronide CS-T-58504 350508-29-1 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-Butanol Fine Chemicals CS-T-09188 71-36-3 Enquire
2,2,3,3,4,4,4-Heptafluoro-1-butanol Fine Chemicals CS-M-00085 375-01-9 In Stock
2-Methyl-2-butanol Fine Chemicals CS-DV-01789 75-85-4 In Stock
3-(3-Hydroxybutoxy)-1-butanol Fine Chemicals CS-O-49746 65849-81-2 Enquire
3,4-Dibromobutanol Fine Chemicals CS-O-50276 87018-30-2 Enquire
4,4′-Oxydi-2-butanol Fine Chemicals CS-O-49747 821-33-0 Enquire
4-Chloro-1-Butanol Fine Chemicals CS-T-11850 928-51-8 In Stock
tert-Butanol Fine Chemicals CS-BX-00148 75-65-0 In Stock
2-(Methylamino)-1-butanol Hydrochloride Fine Chemicals CS-O-37228 Not Available Enquire
2-Butanol Fine Chemicals CS-T-09146 78-92-2 Enquire
2-Methylbenzenebutanol Fine Chemicals CS-O-33776 196409-31-1 Enquire
3-Aminocyclobutanol Fine Chemicals CS-T-65093 4640-44-2 Enquire
4-(Isopropylamino)butanol Fine Chemicals CS-AQ-00228 42042-71-7 Enquire
4-Butoxybutanol Fine Chemicals CS-T-09372 4161-24-4 Enquire
R-3-Amino-butanol Fine Chemicals CS-O-32128 61477-40-5 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-(N-nitroso,N-methylamino)-2-phenyl-n-butanol Nitrosamine CS-O-44388 Not Available Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-Butanol Secondary Standards CS-SS-24234-3 x 1.2ML 71-36-3 Enquire
1-Butanol Secondary Standards CS-SS-24234-20ML 71-36-3 Enquire
2-Butanol Secondary Standards CS-SS-24537-3 x 1.2ML 78-92-2 Enquire
2-Butanol Secondary Standards CS-SS-24537-100ML 78-92-2 Enquire
3-Methyl-1-butanol Secondary Standards CS-SS-25213-1.2ML 123-51-3 Enquire
Chlorobutanol Secondary Standards CS-SS-24520-1GM 6001-64-5 Enquire
tert-Butanol Secondary Standards CS-SS-25085-3 x 1.2ML 75-65-0 Enquire
tert-Butanol Secondary Standards CS-SS-25085-20ML 75-65-0 Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(S)-(+)-2-Amino-1-butanol-2,3,3,4,4,4-d6 Stable Isotope Reagent CS-C-01659 Not Available Enquire
3-Methyl-2-butanol-D7 Stable Isotope Reagent CS-T-104006 598-75-4(unlabelled) Enquire
4-[(1-Methylethyl)amino]-1-butanol-D7 Stable Isotope Reagent CS-O-46498 1265295-17-7 Enquire
β-Hydroxyisobutanol-d3 Stable Isotope Reagent CS-T-103974 2163-42-0(unlabelled) Enquire
1-Butanol-d Stable Isotope Reagent CS-T-49975 4712-38-3 Enquire
4-Bromo-1-butanol-1,1,2,2,3,3,4,4-d8 Stable Isotope Reagent CS-C-00551 136091-68-4 Enquire
n-Butanol-D10 Stable Isotope Reagent CS-CE-00818 34193-38-9 Enquire


Polymers

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Poly(styrene–co–4-[1-butanol]-styrene), random Polymers CS-PM-00741 Not Available Enquire


Fluorinated Compounds

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2,2,3,3,4,4,4-Heptafluoro-1-butanol Fluorinated Compounds CS-O-58041 375-01-9 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3-Methoxycyclobutanol Building Blocks CS-O-58445 1432680-25-5 Enquire
4-Bromo-1-butanol Building Blocks CS-DV-02625 33036-62-3 In Stock
3-(trifluoromethyl)cyclobutanol Building Blocks CS-EM-01400 1788054-83-0 Enquire
4-(Perfluorooctyl)-2-methyl-2-butanol Building Blocks CS-M-04819 141183-94-0 Enquire
4,4,4-Trifluoro-3,3-dimethoxybutanol Building Blocks CS-CE-00014 229956-97-2 Enquire
Perfluoro-tert-butanol Building Blocks CS-M-00512 2378-02-1 Enquire


Chiral

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(S)-3-Amino-1-butanol Chiral CS-CU-00003 61477-39-2 In Stock


Deuterated Reagents

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Tert-butanol-d10 Deuterated Reagents CS-O-11464 53001-22-2 In Stock
Tert-Butanol-d9 Deuterated Reagents CS-O-42048 25725-11-5 In Stock