7-Chlorothiazolo[5,4-d]pyrimidin-5-amine, 97% CAS 1211527-74-0
| CAS No. | 1211527-74-0 |
| Molecular Formula | C5H3ClN4S |
| Molecular Weight | 186.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H3ClN4S, 7-Chlorothiazolo[5,4-d]pyrimidin-5-amine, 97% contains a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 186.62 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.
7-Chlorothiazolo[5,4-d]pyrimidin-5-amine, 97% (CAS 1211527-74-0) is a high-purity analytical reference standard with the molecular formula C5H3ClN4S and a molecular weight of 186.62 g/mol.
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 | C5H3ClN4S |
| Molecular Weight | 186.62 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) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Chlorothiazolo Standards
- 5-Chlorothiazolo[5,4-d]pyrimidin-2-amine (CAS 1006879-06-6)
- 6-Chlorothiazolo[5,4-b]pyridin-2(1H)-one (CAS 112523-34-9)
- 5-Chlorothiazolo[5,4-b]pyridin-2(1H)-one (CAS 121879-69-4)
- 3-Chlorothiazolo[4,5-c]pyridazin-6-amine (CAS 1421637-49-1)
- 7-Chlorothiazolo[5,4-d]pyrimidin-2-amine (CAS 1578216-09-7)
- 5-Chlorothiazolo[4,5-d]pyrimidin-7-amine (CAS 2090316-23-5)
- 6-Chlorothiazolo[5,4-b]pyridin-2-amine (CAS 1196153-99-7)
- 5-Chlorothiazolo[5,4-d]pyrimidin-2(1H)-one (CAS 120209-32-7)
Recommended Standards
- 6-Chlorooxazolo[5,4-b]pyridine-2(1H)-thione (CAS 1206716-59-7)
- 2-Chlorothieno[3,2-d]pyrimidin-4(3H)-one, 97% (CAS 1245811-20-4)
- 4-Chloro-6-(methylthio)pyrimidine-5-carbaldehyde (CAS 1120214-80-3)
- 3-chloro-5-(thiophen-2-yl)-1,2,4-oxadiazole (CAS 1257878-65-1)
- N-Methyl 5-nitropicolinamide (CAS 59290-32-3)
- 1-(4-Bromophenyl)cyclopropane-1-carbohydrazide (CAS 1098360-87-2)
- 2-(Difluoromethyl)-3-fluoro-5-methylpyridine-6-carboxylic acid (CAS 1806881-32-2)
- Ethyl 7-methyl-3-phenyl-1H-indole-2-carboxylate (CAS 138653-55-1)
- tert-butyl 4-[(pyridin-3-yl)amino]piperidine-1-carboxylate (CAS 301225-52-5)
- 2-[(Pyrrolidin-1-yl)carbonyl]pyridine (CAS 83728-66-9)
- 3-Cyclohexyl-N-hydroxypropanamide (CAS 651738-74-8)
- N,N-dimethyl-3-(piperidin-4-yl)propanamide hydrochloride (CAS 2279124-15-9)
- 2-(2-Chlorophenyl)propionitrile (CAS 75920-46-6)
- [D-His1]-Semaglutide (CAS CATO-C4X-2226127)
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