5-chloro-7-methylsulfanyl-1H-pyrazolo[4,3-d]pyrimidine CAS 2750883-35-1
| CAS No. | 2750883-35-1 |
| Molecular Formula | C6H13ClN4S |
| Molecular Weight | 208.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-chloro-7-methylsulfanyl-1H-pyrazolo[4,3-d]pyrimidine (CAS 2750883-35-1), a certified reference material (molecular formula C6H13ClN4S, MW 208.71 g/mol) for analytical method development and quality control.
Owing to a nitrile group, sulfur-containing functionality, chlorine substitution, 5-chloro-7-methylsulfanyl-1H-pyrazolo[4,3-d]pyrimidine is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 208.71 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
CATO manufactures 5-chloro-7-methylsulfanyl-1H-pyrazolo[4,3-d]pyrimidine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H13ClN4S |
| Molecular Weight | 208.71 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2002 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related chloro Standards
- 4-chloro-2-methylsulfanyl-imidazo[2,1-f][1,2,4]triazine (CAS 1623461-10-8)
- 1-[4-chloro-2-(methylsulfanyl)pyrimidin-5-yl]ethan-1-one (CAS 66116-82-3)
- 6-Chloro-(3-methylthio)-1H-pyrazolo[3,4-d]pyrimidine (CAS 2090296-27-6)
- 6-chloro-N-methyl-1-(trideuteriomethyl)pyrazolo[3,4-d]pyrimidin-4-amine (CAS 2570124-27-3)
- 2-Chloro-5-methylsulfanylbenzoicacid 2-chloro-5-(methylthio)benzoic acid 51546-12-4 A7601 (CAS 51546-12-4)
- 3-Chloro-5-(isobutylthio)-1,2,4-thiadiazole (CAS 36955-41-6)
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Recommended Standards
- 2-(chloromethyl)-5-phenylthiophene (CAS 62404-12-0)
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- Nizatidine Impurity 1 (CAS 92759-37-0)
- Bicyclo[2.2.1]heptan-2-ylmethanesulfonyl chloride (CAS 1558973-42-4)
- 1-[2-(2-bromophenyl)-4-methyl-1,3-thiazol-5-yl]ethan-1-amine (CAS 1249254-72-5)
- 6-(Piperidin-4-yloxy)isoquinolin-3-amine (CAS 918490-78-5)
- 1-(Bromomethyl)-1-(cyclopentylmethoxy)-3-methylcyclohexane (CAS 1506680-21-2)
- 4-(4-aminophenoxy)benzamide (CAS 106273-44-3)
- 3-Amino-4-fluorobenzonitrile (CAS 859855-53-1)
- 2-(2-Morpholinothiazol-4-yl)acetic acid (CAS 1017452-84-4)
- 4-(4-(Benzyloxy)-2-methylbenzoyl)-3-hydroxy-5-(4-hydroxyphenyl)-1-(3-methoxypropyl)-1H-pyrrol-2(5H)-one (CAS 497076-18-3)
- 2-Methylpentane-3-sulfonamide (CAS 1247155-74-3)
- Ethyl 1,4-oxazepane-7-carboxylate (CAS 2090935-50-3)
- Antifreeze Polypeptide 6 (winter flounder) trifluoroacetate salt (CAS 122604-16-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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