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

Cephalexin Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Cephalexin-d5 Hydrate Stable Isotopes CS-O-58115 23325-78-2(Un labelled) Enquire
D-(-)-2-Phenylglycine Cephalexinate-d5 Stable Isotopes CS-T-102130 Not Available Enquire
D-Phenylglycyl Cephalexin-d5 Stable Isotopes CS-T-99134 Not Available Enquire
Cephalexin D5 Hydrate Stable Isotopes CS-O-15040 Not Available Enquire
Cephalexin-d5 Stable Isotopes CS-P-07521 Not Available Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Cephalexin API CS-O-30876 15686-71-2 In Stock
rel-Cephalexin Hydrate API CS-T-71479 1212823-95-4 Enquire


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Cephalexin S-Sulfoxide Metabolite CS-P-07522 74708-55-7 Enquire
Delta-2-7-Aminodesacetoxy cephalosporanic Acid Metabolite CS-O-10964 56487-68-4 Enquire
Cephalexin R-Sulfoxide Metabolite CS-P-07523 52210-38-5 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Cephalexin Amide Impurity CS-O-49068 Not Available Enquire
Cephalexin Diketopiperazine Impurity CS-T-10882 59865-11-1 Enquire
Cephalexin Diketopiperazine Formate salt Impurity CS-O-56377 59865-11-1 (Free acid) Enquire
Cephalexin Diketopiperazine Monoacid Impurity CS-T-50478 1323247-65-9 Enquire
Cephalexin Impurity B (7-ADCA) Impurity CS-O-14649 22252-43-3 In Stock
Cephalexin Open-Ring Impurity Impurity CS-O-42689 122716-11-4 Enquire
Chloro Cephalexine Impurity CS-O-16922 22039-59-4 Enquire
delta4-Cephalexin Diketopiperazine Impurity CS-O-57944 65870-52-2 Enquire
Δ2-Cephalexin Impurity CS-T-10889 79750-46-2 Enquire
2-Hydroxy Cephalexin Impurity CS-T-26939 215172-75-1 Enquire
Cephalexin EP Impurity C Impurity CS-T-60440 72528-40-6 Enquire
Cephalexin Impurity C Impurity CS-CY-00013 72528-40-6 Enquire
Cephalexin Sulfoxide Impurity CS-T-50480 56193-21-6 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Cephalexin Monohydrate Fine Chemicals CS-O-03999 23325-78-2 In Stock
Cephalexin (hydrochloride) Fine Chemicals CS-ZE-03827 59695-59-9 Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Cephalexin Secondary Standards CS-SS-24788-1GM 23325-78-2 Enquire