(4-Chloro-thiazol-2-yl)acetic acid CAS 29676-72-0
| CAS No. | 29676-72-0 |
| Molecular Formula | C5H4ClNO2S |
| Molecular Weight | 177.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (4-Chloro-thiazol-2-yl)acetic acid (CAS 29676-72-0), a certified reference material (molecular formula C5H4ClNO2S, MW 177.61 g/mol) for analytical method development and quality control.
Structurally, (4-Chloro-thiazol-2-yl)acetic acid (C5H4ClNO2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 177.61 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (4-Chloro-thiazol-2-yl)acetic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H4ClNO2S |
| Molecular Weight | 177.61 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-Chloro-5-methylthiazole-4-carboxylic Acid (CAS 1194374-24-7)
- 2-(5-Chloro-1,3-thiazol-2-yl)acetic acid (CAS 1363381-03-6)
- 2-chloro-4-methyl-1,3-thiazole-5-carboxylic acid (CAS 40003-48-3)
- 4-Chloro-2-methoxythiazole-5-carbaldehyde (CAS 866329-04-6)
- 4-Chloro-2-methylthiazole-5-carboxylic acid (CAS 933687-06-0)
- 4-Chloro-3-methoxy-1,2-thiazole-5-carbaldehyde (CAS 2089257-62-3)
- 5-Chloro-3-methylisothiazole-4-carboxylic acid (CAS 22131-56-2)
- Methyl 2-chloro-1,3-thiazole-4-carboxylate (CAS 850429-61-7)
Recommended Standards
- Methyl 5-chlorothiazole-4-carboxylate (CAS 1784463-68-8)
- 2-(2-chloroacetyl)-2,3-dihydro-1,2-thiazol-3-one (CAS 42828-67-1)
- Methyl 4-chlorothiazole-2-carboxylate (CAS 1465782-87-9)
- 2-(2-Chlorothiazol-5-yl)acetic acid (CAS 52454-51-0)
- 7-(3-Aminopyrrolidin-1-yl)-1-cyclopropyl-8-ethoxy-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 182868-77-5)
- F、Cl And Sulfate Are Mixed In Water (CAS CATO-CCRM106107)
- 2,4-Dichlorophenyl methanesulfonate (CAS 3687-13-6)
- 1-(2-fluoroethyl)azetidin-3-amine (CAS 1516698-94-4)
- (1,8-Naphthyridin-2-yl)methanol (CAS 125902-27-4)
- (2R,4R,5S)-4,5-Dihydroxypiperidine-2-carboxylic acid hydrochloride (CAS 1429476-54-9)
- tert-Butyl 4-(2-chloro-6-methylpyrimidin-4-yl)-3-methylpiperazine-1-carboxylate (CAS 1261235-51-1)
- 2-(3,4,5-Trimethoxyphenyl)benzo[d]oxazol-6-amine (CAS 1175899-22-5)
- 2-((3-Methylbenzyl)thio)-N-(4h-1,2,4-triazol-3-yl)acetamide (CAS 1050777-56-4)
- Semaglutide impurity 87 (CAS CATO-C4X-222687)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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