3-((4-Ethylphenyl)sulfonyl)-N-(thiophen-2-ylmethyl)thieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidin-5-amine CAS 892742-76-6
| CAS No. | 892742-76-6 |
| Molecular Formula | C20H17N5O2S3 |
| Molecular Weight | 455.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 455.58 g/mol gives 3-((4-Ethylphenyl)sulfonyl)-N-(thiophen-2-ylmethyl)thieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidin-5-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-((4-Ethylphenyl)sulfonyl)-N-(thiophen-2-ylmethyl)thieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidin-5-amine (CAS 892742-76-6) is a high-purity analytical reference standard with the molecular formula C20H17N5O2S3 and a molecular weight of 455.58 g/mol.
Structurally, 3-((4-Ethylphenyl)sulfonyl)-N-(thiophen-2-ylmethyl)thieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidin-5-amine (C20H17N5O2S3) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 455.58 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.
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), 3-((4-Ethylphenyl)sulfonyl)-N-(thiophen-2-ylmethyl)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 | C20H17N5O2S3 |
| Molecular Weight | 455.58 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 3 |
Related Ethylphenyl Standards
- n-(2-Ethylphenyl)-4-methyl-5-phenyl-2-(2-phenylacetamido)thiophene-3-carboxamide (CAS 6078-91-7)
- N-(2-ethylphenyl)-2-((4-phenyl-5-((p-tolylamino)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 493032-82-9)
- N-(1-(4-ethylphenyl)-3-(4-(2-fluorophenyl)piperazin-1-yl)-3-oxopropyl)-2,2,2-trifluoroacetamide (CAS 866019-26-3)
- N-(4-Ethylphenyl)-3-(hydroxymethyl)-N-isobutyl-4-((tetrahydro-2H-pyran-4-yl)methoxy)benzenesulfonamide (CAS 1474110-21-8)
- N-(4-Ethylphenyl)-2-((5-((4-methylpiperazin-1-yl)sulfonyl)pyridin-2-yl)thio)propanamide (CAS 869356-20-7)
- 5-(4-Ethylphenyl)-3-hydroxy-4-(4-methoxy-3-methylbenzoyl)-1-(2-morpholinoethyl)-1H-pyrrol-2(5H)-one (CAS 488727-39-5)
- 1,5-Bis((4-ethylphenyl)amino)anthracene-9,10-dione (CAS 71334-59-3)
- 5-(4-Ethylphenyl)-4-(3-fluoro-4-methoxybenzoyl)-3-hydroxy-1-(pyridin-4-ylmethyl)-1H-pyrrol-2(5H)-one (CAS 609793-37-5)
Recommended Standards
- Palbociclib-D4 (CAS 1628752-63-5)
- N-(5-((2-(Benzo[d]thiazol-2-ylamino)-2-oxoethyl)thio)-1,3,4-thiadiazol-2-yl)-3-phenylpropanamide (CAS 477214-92-9)
- Landiolol Impurity 144 (CAS CATO-C4X-2621144)
- Palbociclib-d8 (CAS 1628752-83-9)
- 5-Bromo-1-(2-cyanoethyl)-2-oxo-1,2-dihydropyridine-3-carboxylic acid (CAS 1053658-18-6)
- 4-Bromo-2,6-di-tert-butylphenol (CAS 1139-52-2)
- 2-(3-Isopropyl-4-oxo-3,4-dihydrophthalazin-1-yl)propanoic acid (CAS 1344692-10-9)
- 2-(Methylsulfonyl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine (CAS 1111110-37-2)
- 2-Amino-6-methoxynicotinonitrile (CAS 1623432-73-4)
- 2-Bromo-4,5,6,7-tetrahydrobenzo[b]thiophene (CAS 111873-07-5)
- 1-Bromo-2,5-difluorobenzene-d3 (CAS 1219795-54-6)
- n-Cyclopropyl-n-(4,5-dimethylthiophene-2-carbonyl)glycine (CAS 1183419-70-6)
- 1-Methyl-N-((1-methyl-1h-pyrazol-4-yl)methyl)-1h-pyrazol-3-amine (CAS 1006439-69-5)
- Myosin Kinase Inhibiting Peptide (CAS 119386-39-9)
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