Azocarmine G

• CAT Number: R071102
• CAS Number: 25641-18-3
• Molecular Formula: C28H18N3NaO6S2
• Molecular Weight: 579.58
• Purity: ≥95%
• Synonyms: Rosinduline
• Storage: RT
• IUPAC Name: sodium;7-phenyl-5-(4-sulfonatoanilino)benzo[a]phenazin-7-ium-3-sulfonate
• InChI: InChI=1S/C28H19N3O6S2.Na/c32-38(33,34)20-12-10-18(11-13-20)29-25-17-27-28(22-15-14-21(16-23(22)25)39(35,36)37)30-24-8-4-5-9-26(24)31(27)19-6-2-1-3-7-19;/h1-17H,(H2,32,33,34,35,36,37);/q;+1/p-1
• InChIKey: LUERODMRBLNCFK-UHFFFAOYSA-M
• SMILES: C1=CC=C(C=C1)[N+]2=C3C=C(C4=C(C3=NC5=CC=CC=C52)C=CC(=C4)S(=O)(=O)[O-])NC6=CC=C(C=C6)S(=O)(=O)[O-].[Na+]

Azocarmine G（Cat No.:R071102）is a red azo dye, widely used in histology and microbiology for staining applications. It contains azo (-N=N-) linkages and sulfonic acid groups, giving it high water solubility and strong affinity for basic cellular components. Commonly employed as a nuclear stain in Heidenhain’s azocarmine method, it selectively highlights nuclei and connective tissues, aiding in microscopic examination of tissue structure. Its vivid coloration, staining specificity, and compatibility with counterstains make Azocarmine G a valuable tool in diagnostic and research histopathology.