≥40% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Protected from light,Room temperature Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 31 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
This product is an aluminum-calcium lake of carmine (C22H20O13). Soluble in borax solution, also soluble in alkali metal hydroxides or carbonates to form deep red solution, partially soluble in hot water, almost insoluble in cold water or dilute acid.
Preparation of carminic acid, integral staining, nuclear staining, titration of ammonia solution indicator, microscopic analysis, fluorescence analysis, coloring of dyes and foods, etc.
| Pubchem Sid | 488182047 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488182047 |
| Canonical Smiles | CC1=C2C(=CC(=C1C(=O)O)O)C(=O)C3=C(C2=O)C(=C(C(=C3O)O)C4C(C(C(C(O4)CO)O)O)O)O |
| IUPAC Name | 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]anthracene-2-carboxylic acid |
| InChIKey | DGQLVPJVXFOQEV-UHFFFAOYSA-N |
| INCHI | 1S/C22H20O13/c1-4-8-5(2-6(24)9(4)22(33)34)13(25)10-11(15(8)27)16(28)12(18(30)17(10)29)21-20(32)19(31)14(26)7(3-23)35-21/h2,7,14,19-21,23-24,26,28-32H,3H2,1H3,(H,33,34) |
| Isomeric SMILES | CC1=C2C(=CC(=C1C(=O)O)O)C(=O)C3=C(C2=O)C(=C(C(=C3O)O)C4C(C(C(C(O4)CO)O)O)O)O |
| WGK Germany | 1 |
| RTECS | FH8891000 |
| Reaxy-Rn | 25785866 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=25785866&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Benzenoids |
| Class | Anthracenes |
| Subclass | Anthracenecarboxylic acids and derivatives |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Anthracenecarboxylic acids |
| Alternative Parents | Hydroxyanthraquinones Phenolic glycosides Naphthalenecarboxylic acids Hexoses C-glycosyl compounds Salicylic acid and derivatives Aryl ketones 1-hydroxy-2-unsubstituted benzenoids Oxanes Vinylogous acids Secondary alcohols Polyols Oxacyclic compounds Monocarboxylic acids and derivatives Dialkyl ethers Carboxylic acids Primary alcohols Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | Anthracene carboxylic acid - 9,10-anthraquinone - Anthraquinone - Hydroxyanthraquinone - Phenolic glycoside - 2-naphthalenecarboxylic acid - 2-naphthalenecarboxylic acid or derivatives - Hexose monosaccharide - C-glycosyl compound - Glycosyl compound - Hydroxybenzoic acid - Salicylic acid or derivatives - Aryl ketone - 1-hydroxy-2-unsubstituted benzenoid - Oxane - Monosaccharide - Vinylogous acid - Secondary alcohol - Ketone - Polyol - Carboxylic acid derivative - Carboxylic acid - Dialkyl ether - Ether - Oxacycle - Organoheterocyclic compound - Monocarboxylic acid or derivatives - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Primary alcohol - Alcohol - Organic oxygen compound - Aromatic heteropolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as anthracenecarboxylic acids. These are organic compounds containing a carboxylic acid group attached to an anthracene ring system. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 D2616048 | Certificate of Analysis | Apr 27, 2026 | C305814 |
| I2510120 | Certificate of Analysis | Sep 19, 2025 | C305814 |
| E2129102 | Certificate of Analysis | Mar 04, 2025 | C305814 |
| A2403043 | Certificate of Analysis | Jun 16, 2021 | C305814 |
| B2508041 | Certificate of Analysis | Jun 16, 2021 | C305814 |
| E2129103 | Certificate of Analysis | Jun 16, 2021 | C305814 |
| A2303352 | Certificate of Analysis | Mar 05, 2021 | C305814 |
| A2303353 | Certificate of Analysis | Mar 05, 2021 | C305814 |
| Sensitivity | Light sensitive. |
|---|---|
| Molecular Weight | 492.400 g/mol |
| XLogP3 | 0.500 |
| Hydrogen Bond Donor Count | 9 |
| Hydrogen Bond Acceptor Count | 13 |
| Rotatable Bond Count | 3 |
| Exact Mass | 492.09 Da |
| Monoisotopic Mass | 492.09 Da |
| Topological Polar Surface Area | 243.000 Ų |
| Heavy Atom Count | 35 |
| Formal Charge | 0 |
| Complexity | 864.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 5 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
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