5-Amino-6-chloro-2-isopropylpyrimidine-4(1H)-thione CAS 61457-06-5
| CAS No. | 61457-06-5 |
| Molecular Formula | C7H10ClN3S |
| Molecular Weight | 203.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Amino-6-chloro-2-isopropylpyrimidine-4(1H)-thione (CAS 61457-06-5), molecular formula C7H10ClN3S and molecular weight 203.69 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H10ClN3S, 5-Amino-6-chloro-2-isopropylpyrimidine-4(1H)-thione contains a nitrile group, sulfur-containing functionality, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 203.69 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
As a certified reference material (CRM), 5-Amino-6-chloro-2-isopropylpyrimidine-4(1H)-thione 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 | C7H10ClN3S |
| Molecular Weight | 203.69 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 5-Amino-6-chloro-2-propylpyrimidine-4(1H)-thione (CAS 61457-05-4)
- 5-(3-Amino-4-chloro-1h-pyrazol-1-yl)pentan-1-ol (CAS 1341854-94-1)
- 2-Amino-3’-chlorobiphenyl (CAS 400743-82-0)
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- 3-Amino-3’-chlorobiphenyl (CAS 56763-55-4)
- 4-Amino-6-chloro-2-(methylthio)pyrimidine-5-carbaldehyde (CAS 5305-56-6)
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Recommended Standards
- 4-chlorothieno[3,2-d]pyrimidine-6-carbonitrile (CAS 875798-54-2)
- 4-Chloro-6-(isopropylthio)pyrimidin-2-amine (CAS 339016-07-8)
- 5-Chloro-2-(piperazin-1-yl)thiazole (CAS 223514-52-1)
- 2-Chloro-n-methyl-n-(thiophen-3-ylmethyl)acetamide (CAS 878466-45-6)
- 78002-19-4 Propanoyl chloride, 2-amino-2-methyl- (CAS 78002-19-4)
- 2,5-Bis(3-fluorophenyl)-1,3,4-oxadiazole (CAS 62681-99-6)
- (5-Bromo-1H-indol-3-yl)methanamine (CAS 339282-65-4)
- (4-Chloro-6-methoxypyridin-3-yl)methanol (CAS 1807234-96-3)
- Lemborexant Impurity 46 (CAS CATO-C4X-304246)
- 4IL61GN3YI 7758-95-4 Lead chloride Lead chloride (PbCl2) Lead dichloride CCRIS 7565 EINECS 231-845-5 HSDB 6309 Lead(2+) chloride Lead (II) chloride Lead(II) chloride Plumbous chloride UNII-4IL61GN3YI EC 231-845-5 (CAS 7758-95-4)
- (6-(Decylthio)-9H-purin-9-yl)methanol (CAS 14196-97-5)
- (6-Methylpyridin-2-yl)(3-(trifluoromethyl)phenyl)methanone (CAS 1187169-83-0)
- 2-Amino-1-(pyridin-3-yl)ethan-1-ol dihydrochloride (CAS 101012-01-5)
- Cholecystokinin Octapeptide (sulfated) (H-2060.0005) (CAS 25679-23-6)
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