Laccaic acid B

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

MedKoo CAT#: 559070

CAS#: 17249-00-2

Description: Laccaic acid B is a bioactive chemical.

Chemical Structure

Laccaic acid B
CAS# 17249-00-2

Theoretical Analysis

MedKoo Cat#: 559070
Name: Laccaic acid B
CAS#: 17249-00-2
Chemical Formula: C24H16O12
Exact Mass: 496.0642
Molecular Weight: 496.38
Elemental Analysis: C, 58.07; H, 3.25; O, 38.68

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales or click below button.
Note: Price will be listed if it is available in the future.

Request quote for custom synthesis

Synonym: Laccaic acid B;

IUPAC/Chemical Name: 3,5,6,8-tetrahydroxy-7-(2-hydroxy-5-(2-hydroxyethyl)phenyl)-9,10-dioxo-9,10-dihydroanthracene-1,2-dicarboxylic acid


InChi Code: InChI=1S/C24H16O12/c25-4-3-7-1-2-10(26)8(5-7)13-20(30)17-16(22(32)21(13)31)18(28)9-6-11(27)14(23(33)34)15(24(35)36)12(9)19(17)29/h1-2,5-6,25-27,30-32H,3-4H2,(H,33,34)(H,35,36)

SMILES Code: O=C(C(C(C(O)=O)=C(O)C=C1C(C2=C3C(O)=C(C4=CC(CCO)=CC=C4O)C(O)=C2O)=O)=C1C3=O)O

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: 2934.99.03.00

Preparing Stock Solutions

The following data is based on the product molecular weight 496.38 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

Molarity Calculator

Calculate the mass, volume, or concentration required for a solution.

*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / CoA (available online).

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Dilution Calculator

Calculate the dilution required to prepare a stock solution.

1: Hirata K, Uematsu Y, Suzuki K, Iida K, Yasuda K, Saito K. [Analysis of main pigments and other ingredients in lac color product]. Shokuhin Eiseigaku Zasshi. 2001 Apr;42(2):109-13. Japanese. PubMed PMID: 11486376.

2: Hirata K, Uematsu Y, Suzuki K, Iida K, Kamata K. [Analysis of lac color in diets and feces of rats for toxicity studies]. Shokuhin Eiseigaku Zasshi. 2002 Apr;43(2):110-3. Japanese. PubMed PMID: 12092412.

3: Shamim G, Ranjan SK, Pandey DM, Sharma KK, Ramani R. Lac dye as a potential anti-neoplastic agent. J Cancer Res Ther. 2016 Apr-Jun;12(2):1033-5. doi: 10.4103/0973-1482.155975. PubMed PMID: 27461693.

4: Oka H, Ito Y, Yamada S, Kagami T, Hayakawa J, Harada K, Atsumi E, Suzuki M, Suzuki M, Odani H, Akahori S, Maeda K, Nakazawa H, Ito Y. Separation of lac dye components by high-speed counter-current chromatography. J Chromatogr A. 1998 Jul 10;813(1):71-7. PubMed PMID: 9697316.

5: Puchalska M, Orlińska M, Ackacha MA, Połeć-Pawlak K, Jarosz M. Identification of anthraquinone coloring matters in natural red dyes by electrospray mass spectrometry coupled to capillary electrophoresis. J Mass Spectrom. 2003 Dec;38(12):1252-8. PubMed PMID: 14696204.

6: Srivastava S, Chowdhury AR, Maurya S. Antimicrobial Efficacy of Methylated Lac Dye, an Anthraquinone Derivative. Indian J Microbiol. 2017 Dec;57(4):470-476. doi: 10.1007/s12088-017-0682-0. Epub 2017 Oct 24. PubMed PMID: 29151648; PubMed Central PMCID: PMC5671437.