3-(3-Fluorophenyl)-5-(methylsulfonyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidine CAS 840537-45-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 840537-45-3 |
| Molecular Formula | C11H8FN5O2S |
| Molecular Weight | 293.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(3-Fluorophenyl)-5-(methylsulfonyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidine (CAS 840537-45-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H8FN5O2S. Molecular weight: 293.28 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H8FN5O2S |
| Molecular Weight | 293.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Fluorophenyl Standards
- 4-(3-Fluorophenyl)-2H-pyrido[2,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide (CAS 1340861-11-1)
- 4-(4-Fluorophenyl)-2H-pyrido[2,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide (CAS 1779132-28-3)
- 2-[(2-fluorophenyl)thio]-5-nitrobenzoic acid (CAS 73129-13-2)
- 4-[(4-fluorophenyl)sulfanyl]-3-nitrobenzoic acid (CAS 565177-99-3)
- 2-(5-(2-Fluorophenyl)-6-methyl-4-oxo-2H-1,3-oxazin-3(4H)-yl)-2-methylpropanoic acid (CAS 170855-30-8)
- 3-(2-Fluorophenyl)-1-(2,2,2-trifluoroethyl)-1H-indole (CAS 54312-06-0)
- 2-(4-Fluorophenyl)naphtho[2,3-d]oxazole-4,9-dione (CAS 192718-06-2)
- 2-(3-Acetyl-2-(4-fluorophenyl)-4-hydroxy-5-oxo-2,5-dihydro-1H-pyrrol-1-yl)acetic acid (CAS 309270-57-3)
Recommended Standards
- 3-(3,5-dimethyl-1H-pyrrol-2-yl)-1-[3-(trifluoromethyl)phenyl]prop-2-en-1-one (CAS 259544-84-8)
- 3-(3-Nitrophenyl)-1-phenyl-1h-pyrazole-4-carbaldehyde (CAS 333327-63-2)
- 3-((5-Phenyl-1,3,4-oxadiazol-2-yl)methyl)benzo[d]oxazol-2(3H)-one (CAS 831188-57-9)
- 2-((2-(4-(4-Fluorophenyl)piperazin-1-yl)-2-oxoethyl)thio)acetic acid (CAS 551931-35-2)
- 5-Amino-2-(hydroxymethyl)benzoic acid (CAS 854644-75-0)
- 3-bromo-4-phenoxybenzaldehyde (CAS 1000414-11-8)
- n1-Benzyl-n2-cyclopropylethane-1,2-diamine (CAS 736908-55-7)
- 2,4-Dichloro-5H,7H-thieno[3,4-d]pyrimidine (CAS 74901-71-6)
- N-(8-methyl-1,2,3,4-tetrahydroquinolin-5-yl)acetamide (CAS 1443980-33-3)
- D-Gln19-Tirzepatide (CAS CATO-CPTD788915)
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