Thieno[2,3-b]pyrazin-3-amine CAS 1940206-33-6
| CAS No. | 1940206-33-6 |
| Molecular Formula | C6H5N3S |
| Molecular Weight | 151.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Thieno[2,3-b]pyrazin-3-amine.
Thieno[2,3-b]pyrazin-3-amine (CAS 1940206-33-6), molecular formula C6H5N3S and molecular weight 151.19 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H5N3S, Thieno[2,3-b]pyrazin-3-amine contains a nitrile group, sulfur-containing functionality, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 151.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 Thieno[2,3-b]pyrazin-3-amine 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 | C6H5N3S |
| Molecular Weight | 151.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Thieno Standards
- Thieno[3,2-d]pyrimidin-2-amine (CAS 1027729-09-4)
- Thieno[3,2-b]pyridin-7-ol (CAS 107818-20-2)
- Thieno[3,2-b]pyridin-6-ol (CAS 115063-93-9)
- Thieno[3,2-b]pyridin-3-ol (CAS 118801-95-9)
- Thieno[2,3-b]pyridin-3-ol (CAS 152939-31-6)
- Thieno[2,3-b]pyrazin-7-amine (CAS 59944-75-1)
- Thieno[2,3-b]pyridin-4-ol (CAS 65075-96-9)
- Thieno[2,3-b]pyridin-6(7H)-one (CAS 62226-16-8)
Recommended Standards
- 2,1-Benzisothiazol-6-ol (CAS 1824302-27-3)
- 4-Acetylthiophene-2-carbonitrile (CAS 1949776-49-1)
- Benzo[d][1,2,3]thiadiazol-7-amine (CAS 1753-30-6)
- [1,2,4]Triazolo[1,5-a]pyridine-7-thiol (CAS 2757601-30-0)
- 2-(6-Amino-5-methylpyridin-3-yl)pyrrolidine-1-carbaldehyde (CAS 1352520-98-9)
- [5-(2-Amino-5-methyl-4-thiazolyl)-1-indolinyl](2-methylphenyl)methanone (CAS 878704-24-6)
- tert-Butyl (R)-5-amino-4-((tert-butoxycarbonyl)amino)-5-oxopentanoate (CAS 1373751-75-7)
- N1-(5-methylpyridin-2-yl)ethane-1,2-diamine dihydrochloride (CAS 1334148-07-0)
- 2-(Trifluoromethyl)nicotinaldehyde (CAS 116308-35-1)
- ASPT (CAS 159721-38-7)
- tert-Butyl 4-(1-hydroxy-2-methoxy-2-oxoethyl)piperidine-1-carboxylate (CAS 2120439-13-4)
- 3-fluoro-1-[tris(propan-2-yl)silyl]-1H-pyrrole (CAS 156304-02-8)
- 3-(2-Chloro-5-nitropyrimidin-4-yl)pentane-2,4-dione (CAS 97821-68-6)
- C-Peptide (Proinsulin) (CAS 59112-80-0)
Why CATO?
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