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

Valproic Acid Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
rac 5-Hydroxy Valproic Acid-d7 Sodium Salt Stable Isotopes CS-T-101244 1189994-89-5 Enquire
Valproic Acid Ethyl Ester-d5 Stable Isotopes CS-T-98503 Not Available Enquire
Valproic Acid Methyl Ester-d3 Stable Isotopes CS-T-98502 Not Available Enquire
Valproic Acid-d15 b-D-Glucuronide Stable Isotopes CS-T-101974 Not Available Enquire
Valproic Acid-d4 Stable Isotopes CS-O-07048 87745-17-3 In Stock
Valproic Acid-d6 b-D-Glucuronide Stable Isotopes CS-T-101975 Not Available Enquire
Valproic acid (4,4,4',4'-D4) Stable Isotopes CS-C-00875 345909-03-7 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Divalproex sodium API CS-O-00274 76584-70-8 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2,2-Dipropylvaleronitrile Impurity CS-T-21046 5340-48-7 In Stock
2-Propylvaleronitrile Impurity CS-T-60860 13310-75-3 In Stock
4-Oxovalproic Acid Impurity CS-T-94729 688-04-0 Enquire
rac 2-Isopropyl Pentanoic Acid Impurity CS-T-30021 62391-99-5 In Stock
Valproic Acid EP Impurity F Impurity CS-T-46274 2430-27-5 In Stock
Valproic acid hydroxamate Impurity CS-O-54390 106132-78-9 Enquire
Valproic Acid Impurity 11 Impurity CS-P-09091 258264-00-5 Enquire
(+/-)-2-Propyl-4-pentenoic Acid Impurity CS-T-60851 1575-72-0 Enquire
5-Chlorovaleric Anhydride Impurity CS-P-09040 1802522-36-6 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Butyl Valeric Acid Fine Chemicals CS-T-40802 3274-28-0 Enquire
2-Methylvaleric Acid Fine Chemicals CS-O-15488 97-61-0 In Stock
2-Methylvaleric Acid Fine Chemicals CS-K-00220 Not Available Enquire
2-Propyl Valproate Fine Chemicals CS-T-40855 52061-75-3 Enquire
Valeronitrile Fine Chemicals CS-DB-00126 110-59-8 In Stock
(E)-2-Propylpent-2-enoic acid Fine Chemicals CS-O-42184 33786-47-9 Enquire
Isopropyl Valproate Fine Chemicals CS-EO-00727 60498-67-1 Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Valproic acid Secondary Standards CS-SS-24012-1GM 99-66-1 In Stock
Valproic acid Secondary Standards CS-SS-24012 99-66-1 Enquire
Valproic acid Secondary Standards CS-SS-24012-250MG 99-66-1 Enquire
Valproic Acid Impurity H Secondary Standards CS-SS-25427-100MG 110-59-8 Enquire
Valproic Acid Impurity K Secondary Standards CS-SS-25172-100MG 5343-52-2 Enquire
Valproic Acid Related Compound A Secondary Standards CS-SS-24613-0.5ML 99-67-2 Enquire
Valproic Acid Related Compound B Secondary Standards CS-SS-25171-100MG 62391-99-5 Enquire