C.I. Food Blue 3
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    WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 463546

CAS#: 129-17-9

Description: Patent Blue VF dye is a violet colored powder that has been used in combination with 99mTc phytate to detect sentinel lymph node (SLN) in early stage cervical cancer patients. It has been used to detect heat shock protein (HSP) gp96 induced draining lymph nodes (LNs) in mice. Patent Blue VF has also been used to detect the effect of Asn-Gly-Arg (NGR)-tumor necrosis factor (TNF) on tumor perfusion in murine model. It has even been used in cosmetic coloring.


Chemical Structure

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C.I. Food Blue 3
CAS# 129-17-9

Theoretical Analysis

MedKoo Cat#: 463546
Name: C.I. Food Blue 3
CAS#: 129-17-9
Chemical Formula: C27H31N2NaO6S2
Exact Mass: 566.15
Molecular Weight: 566.663
Elemental Analysis: C, 57.23; H, 5.51; N, 4.94; Na, 4.06; O, 16.94; S, 11.32

Price and Availability

Size Price Availability Quantity
25g USD 285 2 Weeks
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Synonym: C.I. Food Blue 3; Acid Blue 1; Sulfan Blue; Patent Blue VF; Food Blue 3; Acid Blue V; Sulphan blue;

IUPAC/Chemical Name: sodium 4-((4-(diethylamino)phenyl)(4-(diethyliminio)cyclohexa-2,5-dien-1-ylidene)methyl)benzene-1,3-disulfonate

InChi Key: SJEYSFABYSGQBG-UHFFFAOYSA-M

InChi Code: InChI=1S/C27H32N2O6S2.Na/c1-5-28(6-2)22-13-9-20(10-14-22)27(21-11-15-23(16-12-21)29(7-3)8-4)25-18-17-24(36(30,31)32)19-26(25)37(33,34)35;/h9-19H,5-8H2,1-4H3,(H-,30,31,32,33,34,35);/q;+1/p-1

SMILES Code: CCN(c1ccc(/C(c2c(S(=O)([O-])=O)cc(S(=O)([O-])=O)cc2)=C3C=C/C(C=C/3)=[N+](CC)\CC)cc1)CC.[Na+]

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: >3 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

More Info:

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 566.66 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
Formulation protocol:
In vitro protocol:
In vivo protocol:

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