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

Carmine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Indigo Carmine-d2 Stable Isotopes CS-O-58265 1208610-66-5 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Carmine API CS-EP-00128 1390-65-4 In Stock
Indigo Carmine API CS-T-29273 860-22-0 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Indigo Carmine 5,7-Isomer Disodium Impurity CS-P-01487 27414-68-2 Enquire
Indigo Carmine Related Compound 1 Impurity CS-P-01486 27414-69-3 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Indigo Carmine Nitroso Impurity 1 Nitrosamine CS-O-59161 ---- Enquire
Indigo carmine di nitroso impurity Nitrosamine CS-O-42516 Not Available Enquire
N-Nitroso Indigo carmine Nitrosamine CS-EO-01266 Not Available Enquire