1-Ethyl-3-(methylamino)-2,3-dihydroquinazoline-4(1H)-thione CAS 90070-31-8
| CAS No. | 90070-31-8 |
| Molecular Formula | C11H15N3S |
| Molecular Weight | 221.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-Ethyl-3-(methylamino)-2,3-dihydroquinazoline-4(1H)-thione (CAS 90070-31-8), a certified reference material (molecular formula C11H15N3S, MW 221.32 g/mol) for analytical method development and quality control.
1-Ethyl-3-(methylamino)-2,3-dihydroquinazoline-4(1H)-thione (C11H15N3S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 1-Ethyl-3-(methylamino)-2,3-dihydroquinazoline-4(1H)-thione 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 | C11H15N3S |
| Molecular Weight | 221.32 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.) | 1982 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- Ethyl 3-(methylamino)-4-phenylbutanoate (CAS 60546-98-7)
- 2-Benzyl-5-(methylamino)-1,2,4-thiadiazol-3(2H)-one (CAS 1365942-47-7)
- Methyl 3-(methylamino)benzo[b]thiophene-2-carboxylate (CAS 83716-04-5)
- 2-(Methylamino)-4-(trifluoromethyl)pyrimidine-5-carboxylic acid (CAS 1203419-21-9)
- Benzyl (2-(methylamino)-2-oxoethyl)carbamate (CAS 21855-72-1)
- Methyl 2-(2-(methylamino)acetamido)benzoate (CAS 5973-38-6)
- Benzyl (3-(methylamino)propyl)carbamate (CAS 543745-14-8)
- 1-(Methylamino)-3-(1h-pyrazol-1-yl)cyclohexane-1-carboxamide (CAS 1534462-12-8)
Recommended Standards
- 1-(Morpholin-4-yl)-2-phenylethane-1-thione (CAS 949-01-9)
- 2-((4-Methyl-5-thioxo-4,5-dihydro-1,3,4-thiadiazol-2-yl)thio)acetamide (CAS 834899-94-4)
- 1-(Benzo[b]thiophen-2-yl)-3-methoxypropan-2-amine (CAS 886506-02-1)
- 2-(Piperidin-1-yl)pyridine-3-carbothioamide (CAS 59025-40-0)
- n-(2-Bromoethyl)-2-phenoxypyridine-3-carboxamide (CAS 218456-05-4)
- 3-(4-Chlorophenyl)-2-phenylpropanoic acid (CAS 2901-30-6)
- 2-Bromo-6-fluoropyridin-4-amine (CAS 1803125-88-3)
- Ethyl 2-methyl-2-(3-nitropyridin-2-yl)propanoate (CAS 154078-84-9)
- 1,2-Bis(bromomethyl)-3-nitrobenzene (CAS 66126-16-7)
- 1-(2-fluoroethyl)-6-oxo-1,6-dihydropyridazine-3-carboxylic acid (CAS 1592732-47-2)
- tert-Butyl 5-bromo-2-chlorobenzoate (CAS 503555-23-5)
- Dansyl fluoride (CAS 34523-28-9)
- 5-(Naphthalen-2-yl)isophthalicacid (CAS 444343-41-3)
- Insulin Lispro (CAS 133107-64-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com