3-(Phenylsulfonyl)-N-(m-tolyl)thieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidin-5-amine CAS 892730-75-5
| CAS No. | 892730-75-5 |
| Molecular Formula | C20H15N5O2S2 |
| Molecular Weight | 421.50 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.
3-(Phenylsulfonyl)-N-(m-tolyl)thieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidin-5-amine (CAS 892730-75-5), molecular formula C20H15N5O2S2 and molecular weight 421.50 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 3-(Phenylsulfonyl)-N-(m-tolyl)thieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidin-5-amine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 421.50 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 3-(Phenylsulfonyl)-N-(m-tolyl)thieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidin-5-amine 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 | C20H15N5O2S2 |
| Molecular Weight | 421.50 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 |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 2 |
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Recommended Standards
- (αR)-α-[(3S)-3-(tert-Butyloxycarbonylamino)-4-methyl-2-oxopentyl]-4-fluoro-benzenepropanoic Acid 2-Propen-1-yl Ester (CAS 862414-82-2)
- N-(2,6-dimethylphenyl)-3-((3-(trifluoromethyl)benzyl)thio)thiophene-2-carboxamide (CAS 250714-50-2)
- (3S,4R)-4-(4-Fluorophenyl)-3-[[3-methoxy-4-(phenylmethoxy)phenoxy]methyl]piperidine (CAS 600135-89-5)
- 32294-60-3 Diphenyl ditelluride Diphenylditelluride Ditelluride, diephenyl Ditelluride, diphenyl NSC-339902 NSC339902 Phenyl ditelluride (CAS 32294-60-3)
- (E)-3-(3-(4-fluorophenyl)-1-phenyl-1H-pyrazol-4-yl)-N-(pyridin-3-ylmethyl)acrylamide (CAS 956691-12-6)
- Ethyl 2-(bromomethyl)-5-methoxybenzoate (CAS 867296-88-6)
- Copper, bis[1-(4-fluorophenyl)-1,3-butanedionato-O,O']- (CAS 38383-20-9)
- (2S,5S)-5-(4-chlorobenzyl)-2-methylmorpholin-3-one (CAS 2088453-96-5)
- 6-Methoxy-1-methylpyrimidine-2,4(1H,3H)-dione (CAS 36161-39-4)
- 5-Nitro-1H-indole-7-carboxylic acid (CAS 1167056-38-3)
- 1-(Pyridin-3-ylmethyl)-3-(o-tolyl)thiourea (CAS 431924-21-9)
- tert-Butyl (4-iodo-2-methoxypyridin-3-yl)carbamate (CAS 162709-20-8)
- 2-(3,3-Difluorocyclopentyl)acetic acid (CAS 1260837-43-1)
- Semaglutide impurity 193 (CAS CATO-C4X-2226193)
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