131786-55-5 2-(4-chlorophenyl)-5-methyl-1,3-thiazol-4-ol KS-000038YH CAS 131786-55-5
| CAS No. | 131786-55-5 |
| Molecular Formula | C10H8ClNOS |
| Molecular Weight | 225.69 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.
131786-55-5 2-(4-chlorophenyl)-5-methyl-1,3-thiazol-4-ol KS-000038YH (CAS 131786-55-5), molecular formula C10H8ClNOS and molecular weight 225.69 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 131786-55-5 2-(4-chlorophenyl)-5-methyl-1,3-thiazol-4-ol KS-000038YH (C10H8ClNOS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 225.69 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 131786-55-5 2-(4-chlorophenyl)-5-methyl-1,3-thiazol-4-ol KS-000038YH 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 | C10H8ClNOS |
| Molecular Weight | 225.69 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related chlorophenyl Standards
- (4-(2-Chlorophenyl)thiazol-2-yl)methanol (CAS 1050507-07-7)
- (2-(3-Chlorophenyl)thiazol-4-yl)methanol (CAS 121202-20-8)
- (2-(2-Chlorophenyl)thiazol-4-yl)methanol (CAS 639517-86-5)
- (2-(4-Chlorophenyl)thiazol-4-yl)methanol (CAS 36093-99-9)
- (4-(4-Chlorophenyl)thiazol-2-yl)methanol (CAS 287198-05-4)
- 1-(2-Chlorophenyl)-5-thioxopyrrolidin-2-one (CAS 93506-07-1)
- 3-{[(4-chlorophenyl)methyl]sulfanyl}-1H-1,2,4-triazole (CAS 134796-34-2)
- 4-(4-Chlorophenyl)-2-methyl-2,4-dihydro-3H-1,2,4-triazole-3-thione (CAS 142989-11-5)
Recommended Standards
- 5-Chloro-8-methoxyquinoline-4(1H)-thione (CAS 1315345-11-9)
- 4-Chloro-2-(2-methylthiazol-4-yl)phenol (CAS 1387575-84-9)
- 1-Acetylpiperidine-3-sulfonyl chloride (CAS 1251248-46-0)
- 1-Oxo-1-pyrrolidin-1-yl-propane-2-sulfonyl chloride (CAS 1598278-86-4)
- 6-Chloro-2-fluoro-3-methoxyphenylacetic acid (CAS 1017777-83-1)
- Trimethylsilyl 2-(diethoxyphosphoryl)acetate (CAS 66130-90-3)
- Methyl 3-(3-(tert-butyl)-5-(5-chloro-2H-benzo[d][1,2,3]triazol-2-yl)-4-hydroxyphenyl)propanoate (CAS 83044-91-1)
- 2-Chloro-3-nitrobenzaldehyde (CAS 58755-57-0)
- 6-Amino-5-(trifluoromethyl)pyrimidin-2(1H)-one (CAS 24101-10-8)
- 2-(2-Chloroethyl)-5-methylpyridine (CAS 106737-86-4)
- Doxofylline impurity 47 (CAS 180262-60-6)
- 1-(5-(tert-Butylthio)-3-methylpyridin-2-yl)piperazine (CAS 1355218-76-6)
- (3-Fluoro-4-isopropoxyphenyl)methanol (CAS 1037139-83-5)
- Semaglutide Impurity 184 (CAS CATO-C4X-2226184)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com