4,6-Dichloro-5-iodo-2-(methylthio)pyrimidine CAS 917895-51-3
| CAS No. | 917895-51-3 |
| Molecular Formula | C5H3Cl2IN2S |
| Molecular Weight | 320.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4,6-Dichloro-5-iodo-2-(methylthio)pyrimidine.
CATO supplies 4,6-Dichloro-5-iodo-2-(methylthio)pyrimidine (CAS 917895-51-3), a certified reference material (molecular formula C5H3Cl2IN2S, MW 320.97 g/mol) for analytical method development and quality control.
Based on its molecular formula C5H3Cl2IN2S, 4,6-Dichloro-5-iodo-2-(methylthio)pyrimidine contains a nitrile group, sulfur-containing functionality, chlorine/iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 320.97 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 4,6-Dichloro-5-iodo-2-(methylthio)pyrimidine 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 | C5H3Cl2IN2S |
| Molecular Weight | 320.97 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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 |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dichloro Standards
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Recommended Standards
- 3,5-DIbromo-2-methoxymethoxy-benzonitrile (CAS 2065249-97-8)
- Carteolol Impurity 32 (CAS CATO-C4X-228732)
- 2,3-Dibromo-5-ethoxy-4-hydroxybenzonitrile (CAS 330462-59-4)
- 3-Bromo-2,4-dichloro-6-ethoxyquinoline (CAS 1447949-21-4)
- 2,5-dichloro-4-[(4-nitrophenyl)sulfanyl]pyrimidine (CAS 1533867-24-1)
- 1-(4-tert-Butylbenzoyl)-4-{[3-(3-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}piperidine (CAS 1775298-72-0)
- 2,2',6,6'-Tetrafluoro-[1,1'-biphenyl]-4,4'-diamine (CAS 568-18-3)
- 2-Nitro-1H-imidazol-1-amine (CAS 83279-42-9)
- Rosuvastatin Impurity 239 (CAS CATO-C4X-1169239)
- 1-Ethyl-3-methyl-5-(trifluoromethyl)-1h-pyrazole-4-carboxylic acid (CAS 1384427-70-6)
- 3,5-Dichloro-4-methoxy-pyridazine (CAS 2288-74-6)
- 2-Methyl-4,5-dihydrofuran-3-carboxylicacid (CAS 100191-39-7)
- 1-Amino-2-bromo-4-((4-methoxyphenyl)amino)anthracene-9,10-dione (CAS 76382-24-6)
- Semaglutide Impurity 131 (CAS 2618647-80-4)
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