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

Aspartic Acid Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-[2-(4-Methoxyphenyl)-1-methylethyl]aspartic Acid-d3 Stable Isotopes CS-T-96898 Not Available Enquire
D-Aspartic Acid-d3 L-Alanine Copper(II) Complex Stable Isotopes CS-T-102450 Not Available Enquire
L-Aspartic acid 2-13C Stable Isotopes CS-CX-00375 160033-95-4 Enquire
N-Acetyl -L-Aspartic Acid-d3 Stable Isotopes CS-T-64260 1383929-94-9 Enquire
N-Acetyl-DL-aspartic Acid D3 Stable Isotopes CS-O-15396 89829-69-6 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-Aspartic acid sodium salt monohydrate API CS-G-00117 323194-76-9 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Amlodipine Aspartic Acid Impurity Impurity CS-P-07029 400602-35-9 Enquire
Carbamoylaspartic acid Impurity CS-O-57346 13184-27-5 Enquire
Indole-3-acetyl L-Aspartic acid Impurity CS-P-07087 2456-73-7 In Stock
L-Aspartic acid magnesium Impurity CS-AC-08859 2068-80-6 In Stock
β-Aspartyl-Aspartic Acid Impurity CS-P-00651 60079-22-3 In Stock
Aspartic Acid a-Methyl Ester Impurity CS-T-04258 17812-32-7 Enquire
Beta-Benzyl L-Aspartic Acid N-carboxyanhydride Impurity CS-T-48808 13590-42-6 Enquire
Linaclotide Aspartic Acid Impurity Impurity CS-EO-01041 Not Available Enquire
N-[(1-Ethyl-1,4-dihydro-7-methyl-4-oxo-1,8-naphthyridin-3-yl... Impurity CS-T-76491 1212087-50-7 Enquire
N-[(4-Fluorophenyl)sulfonyl]-D-aspartic Acid 1,4-Dimethyl Es... Impurity CS-T-54898 1218918-76-3 Enquire
N-Boc-D-aspartic Acid Impurity CS-T-07453 62396-48-9 Enquire
N-Boc-D-aspartic Acid 1-tert-Butyl Ester Impurity CS-T-68728 77004-75-2 Enquire
N-tert-Boc-L-aspartic Acid tert-Butyl Ester Impurity CS-T-07452 34582-32-6 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-a-Fmoc-L-aspartic acid ß-t-butyl ester Intermediate CS-M-29424 71989-14-5 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-Aspartic acid Fine Chemicals CS-M-29429 56-84-8 In Stock
D-Aspartic acid hydrochloride Fine Chemicals CS-O-45443 71855-54-4 Enquire
L-Aspartic acid calcium salt Fine Chemicals CS-O-41061 39162-75-9 Enquire
N-Acetyl-L-aspartic Acid Fine Chemicals CS-T-64315 997-55-7 Enquire
N-Formyl-L-aspartic acid Fine Chemicals CS-O-34236 19427-28-2 Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-Aspartic acid Secondary Standards CS-SS-24150-1GM 56-84-8 Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-Aspartic Acid-13C4 Stable Isotope Reagent CS-CH-00064 55443-54-4 In Stock
DL-Aspartic acid-2,3,3-d3 Stable Isotope Reagent CS-BX-01029 14341-75-4 Enquire
L-Aspartic Acid (Otbu)-OH-13C4,15N, Fmoc Stable Isotope Reagent CS-CH-00059 1160760-08-6 Enquire
L-Aspartic Acid D3 Stable Isotope Reagent CS-T-48387 3842-25-9 Enquire
L-Aspartic Acid-1,2-13C2 Stable Isotope Reagent CS-CH-00060 109376-41-2 Enquire
L-Aspartic Acid-1-13C Stable Isotope Reagent CS-CH-00062 81201-97-0 Enquire
L-Aspartic Acid-1-13C, 15N Stable Isotope Reagent CS-CH-00061 285978-02-1 Enquire
L-Aspartic Acid-13C, N-Boc Stable Isotope Reagent CS-CH-00074 286460-64-8 Enquire
L-Aspartic Acid-13C4, 15N Stable Isotope Reagent CS-CH-00063 202468-27-7 Enquire
L-Aspartic Acid-15N Stable Isotope Reagent CS-CH-00067 3715-16-0 Enquire
L-Aspartic Acid-15N(Otbu), N-Fmoc Stable Isotope Reagent CS-CH-00065 1217457-38-9 Enquire
L-Aspartic Acid-15N, D3 Stable Isotope Reagent CS-CH-00066 1308264-52-9 Enquire
L-Aspartic Acid-15N, N-Boc Stable Isotope Reagent CS-CH-00068 204523-15-9 Enquire
L-Aspartic Acid-15N, N-Fmoc Stable Isotope Reagent CS-CH-00069 287484-33-7 Enquire
L-Aspartic Acid-2-13C,15N Stable Isotope Reagent CS-CH-00071 149541-24-2 Enquire
L-Aspartic Acid-D7 Stable Isotope Reagent CS-CH-00077 118230-32-3 Enquire
N-Acetyl-L-aspartic Acid-d3 Stable Isotope Reagent CS-T-64532 284665-15-2 Enquire


Peptide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
[8-L-Alpha -Aspartic Acid]Terlipressin Peptide CS-P-06510 Not Available In Stock
[8-L-Beta -Aspartic Acid]Terlipressin Peptide CS-P-06509 Not Available In Stock
[8-L-Aspartic Acid,12-Glycine]Terlipressin Peptide CS-P-06501 Not Available Enquire


Biochemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
L-Aspartic Acid CHR, 99% Biochemicals CS-SR-00028 56-84-8 Enquire
N-Acetyl-L-Aspartic Acid 98% Biochemicals CS-SR-00215 997-55-7 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(3R)-3-hydroxy-L-aspartic acid Building Blocks CS-O-45846 7298-98-8 Enquire
Boc-a-methyl-D-aspartic acid Building Blocks CS-M-29535 1217826-44-2 Enquire
Boc-a-methyl-L-aspartic acid Building Blocks CS-M-29537 1217679-66-7 Enquire
Boc-L-aspartic acid 4-methyl ester Building Blocks CS-DB-00029 59768-74-0 Enquire
Boc-L-aspartic acid beta-benzyl ester chloromethylketone Building Blocks CS-T-68643 172702-58-8 Enquire
Fmoc-a-methyl-L-aspartic acid Building Blocks CS-M-29545 1217830-18-6 Enquire
N-Benzyloxycarbonyl-L-aspartic Acid -β-tert-Butyl Ester... Building Blocks CS-T-48967 23632-70-4 Enquire
N-Boc-L-aspartic Acid Building Blocks CS-T-07454 13726-67-5 Enquire
N-Fmoc-L-aspartic Acid 1-Benzyl Ester Building Blocks CS-DJ-00740 86060-83-5 Enquire
N-Methyl-L-aspartic acid Building Blocks CS-BX-01309 4226-18-0 Enquire
N-Tosyl-L-aspartic Acid Building Blocks CS-T-44665 4816-82-4 Enquire


Chiral

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
D-(-)-Aspartic acid Chiral CS-M-57803 1783-96-6 In Stock
(2S,3R)-3-methylaspartic acid hydrochloride Chiral CS-Y-00007 140170-62-3 Enquire