7-Chloro-5-(3-methylpiperidin-1-yl)-3-(phenylsulfonyl)-[1,2,3]triazolo[1,5-a]quinazoline CAS 904580-16-1
| CAS No. | 904580-16-1 |
| Molecular Formula | C21H20ClN5O2S |
| Molecular Weight | 441.93 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
7-Chloro-5-(3-methylpiperidin-1-yl)-3-(phenylsulfonyl)-[1,2,3]triazolo[1,5-a]quinazoline (CAS 904580-16-1), molecular formula C21H20ClN5O2S and molecular weight 441.93 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 7-Chloro-5-(3-methylpiperidin-1-yl)-3-(phenylsulfonyl)-[1,2,3]triazolo[1,5-a]quinazoline (C21H20ClN5O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 441.93 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 7-Chloro-5-(3-methylpiperidin-1-yl)-3-(phenylsulfonyl)-[1,2,3]triazolo[1,5-a]quinazoline 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 | C21H20ClN5O2S |
| Molecular Weight | 441.93 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Chloro Standards
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Recommended Standards
- 2-[4-({4-[(4-chlorophenyl)sulfanyl]-3-nitrophenyl}methyl)piperazin-1-yl]pyrimidine (CAS 477869-40-2)
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- 2-(4-Chlorophenyl)-5-(3-ethoxy-4-propoxybenzylidene)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 617694-31-2)
- N-(4-chlorophenyl)-2-((3-methyl-4-oxo-7-phenyl-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide (CAS 1040633-95-1)
- Methyl 3-(6-aminopyridin-3-yl)-5-fluorobenzoate (CAS 1314987-71-7)
- rel-(1R,2S)-2-phenylcyclohexanol (CAS 2362-61-0)
- 1004618-84-1 4-(3,5-Dimethylphenyl)piperidine hydrochloride 7169AC C13H20ClN (CAS 1004618-84-1)
- N-((4-Oxo-3,4-dihydrophthalazin-1-yl)methyl)benzo[c][1,2,5]thiadiazole-5-carboxamide (CAS 1206989-43-6)
- 3-(1,5,3-dithiazepan-3-yl)propanoic acid (CAS 1966944-40-0)
- Ethyl 4-(4-bromophenyl)sulfonylbenzoate (CAS 141212-53-5)
- N-phenyl-2-(1,2,3,4-tetrahydroisoquinolin-1-yl)acetamide (CAS 338761-98-1)
- tert-Butyl 4-(6-chloro-2-(methylthio)pyrimidin-4-yl)-2-methylpiperazine-1-carboxylate (CAS 1261232-31-8)
- (5-Chloro-4-methylpyridin-2-yl)methanamine (CAS 886364-88-1)
- 59880-97-6 Chemotactic peptide F-Met-Leu-Phe L-Phenylalanine, N-(N-(N-formyl-L-methionyl)-L-leucyl)- N-Formyl-L-methionyl-L-leucyl-L-phenylalanine N-Formyl-Met-Leu-Phe N-Formylmethionine leucyl-phenylalanine fMLF fMLP (misnomer but widely used) (CAS 59880-97-6)
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