Active ingredientMethylthioninium ChlorideCat. No. P-M101-001CAS 61-73-4Family · Pharmaceutical analytical standards
Methylthioninium
This is methylene blue, a dye of the phenothiazine family prepared in 1876 by the German chemist Heinrich Caro; in medicine it is used to treat methaemoglobinaemia. This family brings together the active ingredient, nitrosamines and other impurities.
Did you know?In 1891 Paul Guttmann and Paul Ehrlich used it to treat malaria: for this reason it is often described as the first fully synthetic drug in the history of medicine.
Go to the active ingredient →Active ingredientMethylthioninium ChlorideCat. No. P-M101-001CAS 61-73-4
NitrosamineN-Nitroso Methylthioninium Chloride EP Impurity A ChlorideCat. No. P-M101-003
Active ingredientMethylthioninium Chloride HydrateCat. No. P-M101-004CAS 122965-43-9
ImpurityMethylthioninium Impurity 1Cat. No. P-M101-005
ImpurityMethylthioninium Impurity 2Cat. No. P-M101-006CAS 78338-22-4
ImpurityMethylthioninium Impurity 3 ChlorideCat. No. P-M101-007CAS 1242769-80-7
ImpurityMethylthioninium Impurity 4Cat. No. P-M101-008
ImpurityMethylthioninium Impurity 5Cat. No. P-M101-009CAS 126656-05-1
ImpurityMethylene Blue Stage 1Cat. No. P-M101-010CAS 43035-11-6
ImpurityMethylthioninium Impurity 6Cat. No. P-M101-011
ImpurityMethylthioninium Impurity ACat. No. P-M101-012No product matches your search.
EDQM standards 2
The official European Pharmacopoeia standards for this family.
Reference substanceMethylthioninium chloride CRSEDQM code M1800900Family MethylthioniniumNeed a molecule you cannot find?
Custom synthesis of impurities, metabolites and labelled compounds, with the same characterisation level.