Janus blue

    WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 596109

CAS#: 4569-88-4

Description: Janus blue is a basic dye.

Chemical Structure

Janus blue
CAS# 4569-88-4

Theoretical Analysis

MedKoo Cat#: 596109
Name: Janus blue
CAS#: 4569-88-4
Chemical Formula: C30H24ClN5O
Exact Mass: 505.1669
Molecular Weight: 506.0
Elemental Analysis: C, 71.21; H, 4.78; Cl, 7.01; N, 13.84; O, 3.16

Price and Availability

Size Price Availability Quantity
25.0g USD 320.0 2 Weeks
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Synonym: Janus blue; Indazol Blue R; C.I. Basic Blue 16; EINECS 224-951-8; C.I. 12210; Indoine Blue R; Indoine Blue 3B; Indoine Blue;

IUPAC/Chemical Name: (E)-3-amino-7-((2-hydroxynaphthalen-1-yl)diazenyl)-2,8-dimethyl-5-phenylphenazin-5-ium chloride


InChi Code: InChI=1S/C30H23N5O.ClH/c1-18-14-25-27(16-23(18)31)35(21-9-4-3-5-10-21)28-17-24(19(2)15-26(28)32-25)33-34-30-22-11-7-6-8-20(22)12-13-29(30)36;/h3-17H,1-2H3,(H2,31,33,36);1H

SMILES Code: OC1=CC=C2C=CC=CC2=C1/N=N/C3=CC4=[N+](C5=CC=CC=C5)C6=C(C=C(C)C(N)=C6)N=C4C=C3C.[Cl-]

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 506.0 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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1: Wongpanit P, Rujiravanit R. Combinatorial effects of charge characteristics and hydrophobicity of silk fibroin on the sorption and release of charged dyes. J Biomater Sci Polym Ed. 2012;23(9):1199-215. doi: 10.1163/092050611X576972. Epub 2012 May 8. PubMed PMID: 21639994.

2: Hwang SY, Jin LT, Yoo GS, Choi JK. Counterion-dye staining for DNA in electrophoresed gels using indoine blue and methyl orange. Electrophoresis. 2006 May;27(9):1739-43. PubMed PMID: 16568503.

3: Dutt MK. Basic dyes in the staining of DNA-phosphate groups and DNA-aldehyde molecules in cell nuclei. Microsc Acta. 1982 Mar;85(4):361-8. PubMed PMID: 6175883.