4-(3-Thienyl)-2-pyrimidinamine CAS 206564-03-6
| CAS No. | 206564-03-6 |
| Molecular Formula | C8H7N3S |
| Molecular Weight | 177.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
4-(3-Thienyl)-2-pyrimidinamine (CAS 206564-03-6), molecular formula C8H7N3S and molecular weight 177.23 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H7N3S, 4-(3-Thienyl)-2-pyrimidinamine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 177.23 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C8H7N3S |
| Molecular Weight | 177.23 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2016 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Thienyl Standards
- 1-(2-Thienyl)cyclopentanecarbonitrile (CAS 59397-14-7)
- 6-(2-Thienyl)-4(3H)-pyrimidinone (CAS 1105195-61-6)
- 2-(2-Thienyl)-4-pyridinamine (CAS 1020540-64-0)
- 4-(2-Thienyl)phenol (CAS 29886-65-5)
- 1187163-37-6 2-Methyl-4-(3-thienyl)pyridine MFCD13152484 (CAS 1187163-37-6)
- 1187170-05-3 4-Methyl-3-(3-thienyl)pyridine MFCD13152482 (CAS 1187170-05-3)
- 1187170-07-5 2-Methyl-5-(3-thienyl)pyridine MFCD13152483 (CAS 1187170-07-5)
- 2-Methyl-6-(3-thienyl)pyridine (CAS 56421-83-1)
Recommended Standards
- 4-(1,3,4-thiadiazol-2-yl)aniline (CAS 875237-02-8)
- 4-(Methylthio)benzo[d][1,2,3]triazine (CAS 22305-56-2)
- 3-(1,2,3-Thiadiazol-4-yl)aniline (CAS 878437-57-1)
- 4-(Pyridin-2-yl)thiazol-2-amine, 97% (CAS 30235-26-8)
- tert-Butyl 2-{5,7-dioxo-4H,5H,6H,7H-[1,3]thiazolo[5,4-d]pyrimidin-6-yl}acetate (CAS 1637533-75-5)
- 1-(4-Methoxyphenyl)-3-propyl-1H-pyrazol-5(4H)-one (CAS 118031-69-9)
- 5-Chloroquinazoline-2,4(1H,3H)-dione (CAS 78754-81-1)
- 3-Bromo-4-ethyl-4H-1,2,4-triazole (CAS 64907-56-8)
- 3-(4-(2,2,3,3-Tetrafluoropropoxy)phenyl)acrylonitrile (CAS 123632-23-5)
- (1-(4-(Methylthio)phenyl)-1H-1,2,3-triazol-4-yl)methanol (CAS 1250359-45-5)
- Ethyl 2-[(6-bromo-2-oxo-2H-chromen-3-yl)formamido]acetate (CAS 866155-17-1)
- N-(Furan-2-ylmethyl)-4-(phenylsulfonyl)-2-(m-tolyl)oxazol-5-amine (CAS 862738-62-3)
- 4-(2-Chloro-6-fluorophenyl)but-3-en-2-one (CAS 175136-82-0)
- Cyclolinopeptide B (CAS 193139-41-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com