The Sigma-Aldrich catalog lists 4 grades and pack sizes of Carminic Acid (CAS 1260-17-9). Pick the code you need and request a quote for price and lead time from Klar Chem.
| CAS | 1260-17-9 |
|---|---|
| Molecular formula | C22H20O13 |
| Molecular weight | 492.39 g/mol |
| IUPAC name | 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]anthracene-2-carboxylic acid |
| Synonyms | Natural red 4 · Cochineal tincture · Sun Red No. 1 · Sanred 1 · CI Natural Red 4 · Sun Red 1 |
| Brand | Product / grade | Code | |
|---|---|---|---|
| Sigma | CARMINIC ACID | 03320585-25MG 11298-25MG 229253-1G 229253-5G |
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