5-chloro-4-methylthiazol-2-amine CAS 5316-76-7
| CAS No. | 5316-76-7 |
| Molecular Formula | C4H5ClN2S |
| Molecular Weight | 148.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 148.61 g/mol gives 5-chloro-4-methylthiazol-2-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-chloro-4-methylthiazol-2-amine (CAS 5316-76-7) is a high-purity analytical reference standard with the molecular formula C4H5ClN2S and a molecular weight of 148.61 g/mol.
Based on its molecular formula C4H5ClN2S, 5-chloro-4-methylthiazol-2-amine contains a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 148.61 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C4H5ClN2S |
| Molecular Weight | 148.61 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related chloro Standards
- 5-Chloro-3-ethyl-1,2,4-thiadiazole (CAS 101258-23-5)
- 2-Chloro-5-ethyl-1,3,4-thiadiazole (CAS 71859-81-9)
- 5-chloro-N-methyl-1,3-thiazol-2-amine (CAS 37660-89-2)
- 5-chloro-thiazole-2-carbonitrile (CAS 98020-94-1)
- 4-Chloro-3-methyl-isothiazol-5-ylamine 4539AF 96841-04-2 C4H5ClN2S (CAS 96841-04-2)
- 4-chloro-5-methylpyridin-2-amine (CAS 1033203-31-4)
- 6-chloro-N-methylpyridin-3-amine (CAS 120739-84-6)
- 1-Chloro-3-propoxycyclobutane (CAS 1537577-62-0)
Recommended Standards
- 5-(Chloromethyl)thiazol-2-amine (CAS 69341-83-9)
- 5-Chloromethyl-4-methyl-[1,2,3]thiadiazole (CAS 82172-42-7)
- 2-Methyl-5-chloromethyl-1,3,4-thiadiazole (CAS 75341-23-0)
- 3-Chlorothiophene-2-methanol (CAS 193602-41-4)
- 2-[4-(trifluoromethyl)-1H-1,2,3-triazol-1-yl]acetic acid (CAS 1402411-43-1)
- 6-(Thiophen-3-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine (CAS 320416-40-8)
- N-(Benzo[d]thiazol-2-yl)-3-(2,5-dioxopyrrolidin-1-yl)benzamide (CAS 314043-88-4)
- 1-{4-(benzyloxy)-2-[(4-fluorobenzyl)oxy]phenyl}-3-(4-methylphenyl)prop-2-en-1-one (CAS 298186-64-8)
- Diethyl (2-Ethoxyacetyl)phosphonate (CAS 30492-56-9)
- 6',6'-Dimethyl-5',6'-dihydrospiro[cyclohexane-1,4'-pyrrolo[3,2,1-ij]quinoline]-1',2'-dione (CAS 896662-47-8)
- Potassium palmitate-<SUP>13</SUP>C<SUB>16</SUB> (CAS 1458714-74-3)
- 1-Methyl-2-styrylbenzene (CAS 74685-42-0)
- 2-((3,3-Dimethylbutyl)amino)ethan-1-ol (CAS 747396-28-7)
- Semaglutide impurity 29 (CAS 1188328-22-4)
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