Benzoic acid, 3,4-dihydroxy-, (2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-yl ester CAS 71634-86-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 71634-86-1 |
| Molecular Formula | C22H18O9 |
| Molecular Weight | 426.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Benzoic acid, 3,4-dihydroxy-, (2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-yl ester (CAS 71634-86-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H18O9. Molecular weight: 426.37 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H18O9 |
| Molecular Weight | 426.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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 |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
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Recommended Standards
- 4-Nitrophenyl 2-acetamido-3-6-di-O-acetyl-2-deoxy-β-D-glucopyranoside (CAS 61891-87-0)
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- 4-((Thiophen-2-ylmethyl)amino)quinazolin-2(1H)-one (CAS 1031970-30-5)
- 4-Chloro-6-oxo-1-phenyl-1,6-dihydropyridazine-3-carboxylic acid (CAS 339030-73-8)
- 4-[(Benzenesulfonyl)methyl]-6-chloro-2-(pyridin-3-yl)pyrimidine (CAS 303147-31-1)
- 4,5α-epoxy-3-methoxy-17-methyl-morphinan-6β,14-diol (CAS 61949-73-3)
- 2-(5-Bromo-1H-pyrazol-1-yl)propanoic acid (CAS 1855907-26-4)
- 2-(((Benzyloxy)carbonyl)amino)-2-(2-bromophenyl)acetic acid (CAS 1313032-91-5)
- Semaglutide Impurity 184 (CAS CATO-C4X-2226184)
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