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

Mephenytoin Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(+/-)-4-Hydroxy Mephenytoin-d3 Stable Isotopes CS-T-56128 1173022-56-4 In Stock
Mephenytoin-d8 Stable Isotopes CS-W-00413 50-12-4(Unlabelled) In Stock
rac-Mephenytoin-d3 Stable Isotopes CS-T-57497 1185101-86-3 In Stock
rac-Mephenytoin-d5 Stable Isotopes CS-T-57498 1185032-66-9 In Stock
rac-N-Desmethyl Mephenytoin-d5(Major) Stable Isotopes CS-T-52246 119458-27-4 In Stock


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-Mephenytoin API Standards CS-T-31813 71140-51-7 Enquire
(S)-Mephenytoin API Standards CS-T-31814 70989-04-7 In Stock
Mephenytoin API Standards CS-EK-01429 50-12-4 Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(+/-)-4-Hydroxy Mephenytoin Impurities CS-T-56127 61837-65-8 In Stock
(S)-4-Hydroxy Mephenytoin Impurities CS-T-27668 82695-93-0 In Stock
R-(-)-N-Desmethyl Mephenytoin Impurities CS-T-52247 65567-32-0 Enquire
rac N-Desmethyl Mephenytoin Impurities CS-T-52245 631-07-2 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-1-Methylmephenytoin Intermediates CS-T-34275 201606-44-2 Enquire