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Carminic acid (E120) 100 μg/mL in Acetonitrile:Methanol, Dr. Ehrenstorfer

Product Code. 30320275
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Product Code. 30320275 Supplier Dr. Ehrenstorfer Supplier No. DREA11044000MC100
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Estimated Shipment: 21-09-2026
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Description

Discover Dr. Ehrenstorfer’s certified reference materials: available in multiple formats, including multi-component regulatory mixtures, to power your food and environmental analysis with traceable, ISO-accredited quality

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Specifications

Chemical Name or Material Carminic Acid
CAS 1260-17-9
Analyte or Component Names Carminic Acid
Shipping Condition Room Temperature
Molecular Formula C22 H20 O13
Concentration 100 μg/mL
Certifications/Compliance ISO 17034
Synonym 2-Anthracenecarboxylic acid, 7-β-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-, 2-Anthroic acid, 7-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo- (7CI), Carminic acid (6CI,8CI), 7-β-D-Glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-2-anthracenecarboxylic acid, C.I. 75470, C.I. Natural Red 4, Carmine 5297, Cochineal Red PWD, E 120, E 120 (dye), NSC 326224, Natural Red 2180, Natural Red 4, San Red 1, San-Ei Gen San Red 1, Sun Red 1, Sun Red No. 1
InChI Formula 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)/t7-,14-,19+,20-,21+/m1/s1
SMILES Cc1c(C(=O)O)c(O)cc2C(=O)c3c(O)c(O)c([C@@H]4O[C@H](CO)[C@@H](O)[C@H](O)[C@H]4O)c(O)c3C(=O)c12
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
Solvent or Matrix Acetonitrile/Methanol
Molecular Weight (g/mol) 492.39
Quantity 1 mL
Formula Weight 492.0904 g/mol
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