VAQORACarmine
Synonyms: Alum lake of carminic acid · Cochineal · Nacarat · Natural Red 4
CAS No.1390-65-4
FormulaC22H20O13
Mol. weight492.40
Catalogue No.VQ-000529
Purity50–53%
HSN32050000
Carmine (CAS 1390-65-4) – biological stain, Microscopy grade, 50–53%. C22H20O13, MW 492.4. Get a quote from Vaqora Chemicals, COA included, shipped worldwide.
Pack sizesPrice on quotation · bulk available
5 g
10 g
25 g
100 g
1 kg
25 kg
Bulk / custom pack · kg to MT
Enquire Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Carmine
Vaqora Chemicals supplies Carmine (Microscopy grade), a biological stain registered under CAS number 1390-65-4 at a purity of 50–53%. Its molecular formula is C22H20O13 and its molecular weight is 492.4 g/mol. Alternative names: Alum lake of carminic acid and Cochineal.
The material typically appears as a red to maroon powder. Keep the container tightly sealed and store it in a cool, dry area. Good laboratory practice and suitable PPE are recommended during handling.
Typical applications include histology and cytology staining, microscopy, clinical laboratories and paints, coatings and inks. Our customers for this product work in academic and industrial research, diagnostics and biotechnology and paints and coatings.
Standard pack sizes are 5 g, 10 g, 25 g and 100 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.
Typical applications
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Paints, coatings & inks
Industries
Specifications & identifiers
| Product name | Carmine |
|---|---|
| Catalogue No. | VQ-000529 |
| CAS Number | 1390-65-4 |
| IUPAC name | 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[(2R,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]anthracene-2-carboxylic acid |
| Molecular formula | C22H20O13 |
| Molecular weight | 492.4 g/mol |
| Exact mass | 492.0904 |
| Grade | Microscopy |
| Purity / assay | 50–53% |
| HSN code | 32050000 |
| InChIKey | DGQLVPJVXFOQEV-NGOCYOHBSA-N |
| SMILES | CC1=C2C(=CC(=C1C(=O)O)O)C(=O)C3=C(C2=O)C(=C(C(=C3O)O)[C@@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)O)O |
| PubChem CID | 14749 |
| Physical form | Powder |
|---|---|
| Appearance | Red to maroon powder |
| LogP (XLogP3) | 0.5 |
| H-bond donors / acceptors | 9 / 13 |
| TPSA | 243 Ų |
| Synonyms | Alum lake of carminic acid, Cochineal, Nacarat, Natural Red 4, Colour Index no 75470, B Rose liquid, Carmine (Coccus cacti L.), Cochineal (Coccus cacti L.), Cochineal Dye, Dye, Cochineal, 7-glucopyranosyl-3,5,6,8-tetrahydroxyl-1-methyl-9,10-dioxoanthracene-2-carboxylic acid, Carmine Red |
Documents
Other grades of CAS 1390-65-4
Frequently asked questions
What is the CAS number of Carmine?
The CAS Registry Number of Carmine is 1390-65-4. It is also known as Alum lake of carminic acid, Cochineal, Nacarat.
What is the molecular formula and molecular weight of Carmine?
Carmine has the molecular formula C22H20O13 and a molecular weight of 492.4 g/mol. Its IUPAC name is 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[(2R,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]anthracene-2-carboxylic acid.
Which grade and pack sizes of Carmine can I order?
We supply Carmine in Microscopy (50–53%) grade, in 5 g, 10 g, 25 g, 100 g, 1 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Carmine?
Yes. Every lot of Carmine is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Carmine be shipped internationally?
Yes. We export Carmine worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.
Enquire about Carmine
We reply within one business day with price, pack options, lead time and documentation.
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