4-Amino-3-methyl-6-thioxo-1,6-dihydro-1,2,4-triazin-5(4H)-one CAS 633297-83-3
| CAS No. | 633297-83-3 |
| Molecular Formula | C4H6N4OS |
| Molecular Weight | 158.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Amino-3-methyl-6-thioxo-1,6-dihydro-1,2,4-triazin-5(4H)-one (C4H6N4OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
4-Amino-3-methyl-6-thioxo-1,6-dihydro-1,2,4-triazin-5(4H)-one (CAS 633297-83-3), molecular formula C4H6N4OS and molecular weight 158.18 g/mol, is a CATO reference standard with documented purity and traceability.
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 4-Amino-3-methyl-6-thioxo-1,6-dihydro-1,2,4-triazin-5(4H)-one 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 | C4H6N4OS |
| Molecular Weight | 158.18 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 5-Amino-N-methyl-1,2,3-thiadiazole-4-carboxamide (CAS 100097-70-9)
- 5-Amino-N-methyl-1,3,4-thiadiazole-2-carboxamide, 97% (CAS 1177423-60-7)
- 1-(5-Amino-3-thioxo-2,3-dihydro-1H-1,2,4-triazol-1-yl)ethanone (CAS 118025-67-5)
- 2-Amino-4-methoxythiazole-5-carbaldehyde (CAS 174562-26-6)
- 2-Amino-4-methylthiazole-5-carboxylic acid (CAS 67899-00-7)
- 2-Amino-5-methylthiazole-4-carboxylic acid (CAS 688064-14-4)
- 4-Amino-3-(methylthio)-1,2,4-triazin-5(4H)-one (CAS 62036-62-8)
- 4-Amino-3-methylisothiazole-5-carboxylic acid (CAS 4592-56-7)
Recommended Standards
- 4-(Methylamino)-1,2,5-thiadiazole-3-carboxamide (CAS 89281-53-8)
- 4-Amino-6-methyl-3-sulfanyl-4,5-dihydro-1,2,4-triazin-5-one (CAS 22278-81-5)
- 3-Oxa-8-thiabicyclo[3.2.1]octane-2,4-dione (CAS 6007-84-7)
- 4-Hydroxybenzenesulfinic acid (CAS 3724-13-8)
- 1-(4-Methyl-1H-benzo[d]imidazol-1-yl)ethanone (CAS 84445-81-8)
- 1,3-Isobenzofurandione, 5,5'-carbonylbis-, polymer with 3,3'-[(1,1,3,3-tetramethyl-1,3-disiloxanediyl)bis(4,1-butanediyloxy)]bis[benzenamine] (CAS 72403-27-1)
- Ethyl 6-(4-heptyloxyphenyl)-6-oxohexanoate (CAS 898757-99-8)
- 4-(Piperidin-3-ylmethyl)morpholine dihydrochloride (CAS 81310-61-4)
- 2-(Cyanomethyl)-6-(trifluoromethyl)benzimidazole (CAS 1500844-32-5)
- Gentamicin B1 • xAcetate Salt (CAS 36889-16-4（free base）)
- (4-(Azetidin-1-ylmethyl)phenyl)(2-chloro-4-fluorophenyl)methanone (CAS 898756-89-3)
- (2E)-3-(5-ethylthiophen-2-yl)prop-2-enoic acid (CAS 70329-37-2)
- tert-butyl endo-5-amino-2-azabicyclo[2.1.1]hexane-2-carboxylate (CAS 1403766-80-2)
- Semaglutide Impurity 163 (x TFA Salt) (CAS CATO-C4X-2226163)
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