Patent Blue V calcium salt

• CAT Number: I014022
• CAS Number: 3536-49-0
• Molecular Formula: C27H32N2O7S2.1/2Ca
• Molecular Weight: 580.72
• Purity: ≥95%
• IUPAC Name: calcium;4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]-6-hydroxybenzene-1,3-disulfonate
• InChI: InChI=1S/2C27H32N2O7S2.Ca/c2*1-5-28(6-2)21-13-9-19(10-14-21)27(20-11-15-22(16-12-20)29(7-3)8-4)23-17-24(30)26(38(34,35)36)18-25(23)37(31,32)33;/h2*9-18H,5-8H2,1-4H3,(H2-,30,31,32,33,34,35,36);/q;;+2/p-2
• InChIKey: RTMBGDBBDQKNNZ-UHFFFAOYSA-L
• SMILES: CCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[N+](CC)CC)C=C2)C3=CC(=C(C=C3S(=O)(=O)[O-])S(=O)(=O)[O-])O.CCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[N+](CC)CC)C=C2)C3=CC(=C(C=C3S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Ca+2]

Patent Blue V calcium salt (Cat No.: I014022) is a synthetic dye used primarily as a diagnostic agent in medical and surgical procedures. It is commonly employed for lymphatic mapping, sentinel lymph node identification, and as a contrast agent in various imaging techniques. The dye belongs to the triphenylmethane class and appears as a blue-colored compound. While generally safe, it may cause allergic reactions, including rare cases of anaphylaxis. It is also used in food and cosmetics in some regions, subject to regulatory approval.

Reference

[1]. Shin-Yi Chen, et al. Patent Blue V as an Alternative Stain for DMEK Grafts: Safety, Stain Retention, and Feasibility. Cornea. 2019 Oct;38(10):1322-1327.
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