(6-Chloro-2-oxo-1,3-benzoxazol-3(2H)-yl)acetic acid CAS 19739-40-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19739-40-3 |
| Molecular Formula | C9H6ClNO4 |
| Molecular Weight | 227.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order (6-Chloro-2-oxo-1,3-benzoxazol-3(2H)-yl)acetic acid (CAS 19739-40-3) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C9H6ClNO4. Molecular weight: 227.60 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C9H6ClNO4 |
| Molecular Weight | 227.60 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-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 methanol, ethanol, 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 3-Chloro-6-methoxy-4-nitro-1H-indazole (CAS 1000341-15-0)
- 6-Chloro-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-8-carboxylic acid (CAS 123040-45-9)
- 2-Chloro-n-[5-(furan-2-yl)-1,3,4-oxadiazol-2-yl]acetamide (CAS 1354952-25-2)
- 2-Chloro-6-(cyanomethyl)-5-(difluoromethyl)nicotinonitrile (CAS 1804465-03-9)
- 4-Chloro-3-(cyanomethyl)-6-(difluoromethyl)picolinonitrile (CAS 1804665-98-2)
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Recommended Standards
- 3-(4-Chloro-1-methyl-1H-pyrazol-5-yl)isoxazole-5-carboxylic acid (CAS 1934595-97-7)
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- 6-Chloro-5-methyl-7-nitro-1,3-benzoxazol-2-amine (CAS 1820735-45-2)
- 6-Amino-4-(furan-3-yl)-3-propyl-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile (CAS 340808-49-3)
- N-(4-(4-((4-chlorophenyl)sulfonyl)piperazin-1-yl)-3-fluorophenyl)-3-methylbutanamide (CAS 866131-35-3)
- 3-Methylhistidine methyl ester (CAS 1207948-24-0)
- (5-Chloro-2-hydroxyphenyl)(4-ethylpiperazin-1-yl)methanone hydrochloride (CAS 1235438-79-5)
- 5-(Aminomethyl)-3,3-difluoropyrrolidin-2-one hydrochloride (CAS 2173996-55-7)
- 3-(Difluoromethyl)-2-methyl-2H-indazole-5-carboxylic acid (CAS 2407081-86-9)
- Experimental Allergic Encephalitogenic Peptide (CAS 29705-92-8)
Why CATO?
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