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

Methylene Blue Related Compounds

API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Methylene Blue API Standards CS-T-82104 122965-43-9 In Stock


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Amino-5-(Dimethylamino)-Benzenethiol Sulfate Impurities CS-ED-01385 43035-11-6 In Stock
Azure B Impurities CS-ED-00595 531-55-5 In Stock
Methylene Blue Impurity 19 Impurities CS-O-59648 126656-05-1 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1,9-Dimethyl-Methylene Blue zinc chloride double salt, Dye c... Intermediates CS-ED-26845 931418-92-7 Enquire
Azure A Intermediates CS-AC-12216 531-53-3 In Stock
Azure -C Intermediates CS-O-34552 531-57-7 In Stock
Methylene Blue (C.I. 52015) (USP, BP) pure, pharma grade Intermediates CS-CE-00658 61-73-4 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Leucomethylene blue (Mesylate) Fine Chemicals CS-ZE-20850 1236208-20-0 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Leucomethylene blue Building Blocks CS-O-51641 613-11-6 Enquire