Acid violet 43

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

MedKoo CAT#: 591463

CAS#: 4430-18-6

Description: Acid violet 43 is a violet dye.

Chemical Structure

Acid violet 43
CAS# 4430-18-6

Theoretical Analysis

MedKoo Cat#: 591463
Name: Acid violet 43
CAS#: 4430-18-6
Chemical Formula: C21H14NNaO6S
Exact Mass: 431.04
Molecular Weight: 431.390
Elemental Analysis: C, 58.47; H, 3.27; N, 3.25; Na, 5.33; O, 22.25; S, 7.43

Price and Availability

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25g USD 300
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Synonym: Acid violet 43; NSC 47721; NSC-47721; NSC47721

IUPAC/Chemical Name: Benzenesulfonic acid, 2-((9,10-dihydro-4-hydroxy-9,10-dioxo-1-anthracenyl)amino)-5-methyl-, sodium salt (1:1)


InChi Code: InChI=1S/C21H15NO6S.Na/c1-11-6-7-14(17(10-11)29(26,27)28)22-15-8-9-16(23)19-18(15)20(24)12-4-2-3-5-13(12)21(19)25;/h2-10,22-23H,1H3,(H,26,27,28);/q;+1/p-1

SMILES Code: O=S(C1=CC(C)=CC=C1NC(C=CC(O)=C2C(C3=C4C=CC=C3)=O)=C2C4=O)([O-])=O.[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: >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

More Info:

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 431.39 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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1: Thorén S, Yazar K. Contact allergens in 'natural' hair dyes. Contact Dermatitis. 2016 May;74(5):302-4. doi: 10.1111/cod.12519. PubMed PMID: 27040875.

2: Wu X, Cai J, Li S, Zheng F, Lai Z, Zhu L, Chen T. Au@Cu2O stellated polytope with core-shelled nanostructure for high-performance adsorption and visible-light-driven photodegradation of cationic and anionic dyes. J Colloid Interface Sci. 2016 May 1;469:138-146. doi: 10.1016/j.jcis.2016.01.064. Epub 2016 Feb 6. PubMed PMID: 26874979.

3: Li Q, Ge L, Cai J, Pei J, Xie J, Zhao L. Comparison of two laccases from Trametes versicolor for application in the decolorization of dyes. J Microbiol Biotechnol. 2014 Apr;24(4):545-55. PubMed PMID: 24448164.

4: Volná K, Holcapek M, Kolárová L, Lemr K, Cáslavský J, Kacer P, Poustka J, Hubálek M. Comparison of negative ion electrospray mass spectra measured by seven tandem mass analyzers towards library formation. Rapid Commun Mass Spectrom. 2008;22(2):101-8. PubMed PMID: 18058959.

5: Fiume MZ. Final report on the safety assessment of Acid Violet 43. Int J Toxicol. 2001;20 Suppl 3:1-6. Review. PubMed PMID: 11766130.