7-Chloro-1,3-dihydroxy-9h-xanthen-9-one CAS 100334-95-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 100334-95-0 |
| Molecular Formula | C13H7ClO4 |
| Molecular Weight | 262.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 7-Chloro-1,3-dihydroxy-9h-xanthen-9-one (CAS 100334-95-0) pharmaceutical standards reference standard. Molecular formula: C13H7ClO4. Molecular weight: 262.65 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C13H7ClO4 |
| Molecular Weight | 262.65 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 5-Chloro-1-((2R,4R,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione (CAS 188559-94-6)
- 5'-Chloro-5'-deoxyuridine (CAS 19556-54-8)
- (4-Chloro-3-nitrophenyl)(pyridin-4-yl)methanone (CAS 62946-43-4)
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- 2′-Chloro-2′-deoxyuridine (CAS 4753-04-2)
- 2-Chloro-N-(4-cyano-3-methylisoxazol-5-yl)nicotinamide (CAS 478043-92-4)
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Recommended Standards
- 5-(2-Chloro-4,5-difluorophenyl)-5-oxopentanoic acid (CAS 951891-46-6)
- (6-Chloropyridin-3-yl)(4-nitrophenyl)methanone (CAS 1187169-29-4)
- 4-Chloro-4,4-difluoro-1-(4-methoxyphenyl)butane-1,3-dione (CAS 861225-50-5)
- U-67786 (CAS 105622-88-6)
- Ethyl 6-bromo-2-cyano-3-methoxybenzoate (CAS 1807164-63-1)
- 3,4-Difluoro-4-piperidinomethyl benzophenone (CAS 898775-65-0)
- N-(4-{[4-(2-fluorophenyl)piperazin-1-yl]sulfonyl}phenyl)acetamide (CAS 432020-83-2)
- 1-(1-(2,2-Difluoroethyl)-1H-pyrazol-4-yl)-N-(4-fluorobenzyl)methanamine hydrochloride (CAS 1856082-15-9)
- 1-(2,5-Dimethylphenyl)-6-oxo-1,4,5,6-tetrahydropyridazine-3-carboxylic acid (CAS 733030-85-8)
- Semaglutide impurity 72 (CAS CATO-C4X-222672)
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