Home > Pharmaceutical Standards > Neo-Tetrazolium Diformazan (21520-87-6)
Neo-Tetrazolium Diformazan CAS 21520-87-6
Purity 97%+ In Stock Pharmaceutical Standards
CAS No. 21520-87-6
Molecular Formula C38H30N8
Molecular Weight 598.70 g/mol
Category Pharmaceutical Standards / API Standards
Availability In Stock
Description Neo-Tetrazolium Diformazan (CAS 21520-87-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C38H30N8. Molecular weight: 598.70 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties Molecular Formula C38H30N8 Molecular Weight 598.70 g/mol Appearance Pale yellow to yellow crystalline powder Purity 97%+ Storage Store at room temperature, protect from light Solubility (reference) Soluble in DMSO, DMF, methanol Stability Light-sensitive; avoid direct strong light Degree of Unsaturation (DBE) 28.0 UV Absorption UV-absorbing Structural Features Aromatic ring present CAS Registry Year (est.) 1963 Nitrogen Atoms 8
« 3,5-Diphenyl-1-(4-biphenylyl)formazan 5-(Phenoxymethyl)-1,3,4-oxadiazol-2-amine »
Why CATO?
ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
130,000+ catalog items in stock, COA supplied with every batch
Worldwide shipping with full export documentation (HS code guidance available)
Technical support: +86 13829788188 / jacky.chen@cato-chem.com