6-(Carboxymethyl)-7-hydroxy-8-methoxy Coumarin CAS 71942-06-8
| CAS No. | 71942-06-8 |
| Molecular Formula | C12H10O6 |
| Molecular Weight | 250.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
6-(Carboxymethyl)-7-hydroxy-8-methoxy Coumarin (CAS 71942-06-8), molecular formula C12H10O6 and molecular weight 250.20 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 6-(Carboxymethyl)-7-hydroxy-8-methoxy Coumarin (C12H10O6) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 250.20 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 6-(Carboxymethyl)-7-hydroxy-8-methoxy Coumarin under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H10O6 |
| Molecular Weight | 250.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
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- 2-[Bis(carboxymethyl)amino]benzoic acid (CAS 1147-65-5)
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Recommended Standards
- 6-(2,2,2-Trifluoroethyl)thieno[2,3-d]pyrimidine-2,4-diol (CAS 2055107-42-9)
- 6,7-Dimethoxy-2-oxo-2H-chromene-3-carboxylic acid (CAS 86100-68-7)
- 5,7-Dimethoxy-4-oxo-4H-chromene-2-carboxylic acid (CAS 54880-49-8)
- 6-Hydroxy-4-methyl-2-oxo-2H-chromen-7-yl acetate (CAS 46895-13-0)
- 4,6-Dichloro-5-nitro-2-(pyridin-2-yl)pyrimidine (CAS 1188037-64-0)
- (4-Chloro-2,6-dimethoxyphenyl)boronic acid (CAS 1067228-90-3)
- Methyl 2-amino-5-methylhexanoate hydrochloride (CAS 50833-28-8)
- Ethyl 2-(2-{[(2,2,2-trifluoroethoxy)carbonyl]amino}-1,3-thiazol-4-yl)acetate (CAS 1311314-73-4)
- 2-Methyl-d3-3-(trifluoromethyl)pivalanilide (CAS 1189715-10-3)
- 1-(2-Ethoxyphenyl)piperazine hydrochloride (CAS 83081-75-8)
- Ethyl (r)-3-amino-3-(4-bromophenyl)propanoate (CAS 146579-92-2)
- 6-Amino-1-(2-fluorophenyl)pyrimidine-2,4(1H,3H)-dione (CAS 18507-17-0)
- Ethyl 2-(4-oxo-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-3(4H)-yl)acetate (CAS 40277-49-4)
- Semaglutide impurity 33 (CAS CATO-C4X-222633)
Why CATO?
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