5,7-dimethyl-[1,2,4]triazolo[4,3-a]pyrimidine-3-thiol CAS 41266-80-2
| CAS No. | 41266-80-2 |
| Molecular Formula | C7H16N4S |
| Molecular Weight | 188.29 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 5,7-dimethyl-[1,2,4]triazolo[4,3-a]pyrimidine-3-thiol.
5,7-dimethyl-[1,2,4]triazolo[4,3-a]pyrimidine-3-thiol (CAS 41266-80-2) is a high-purity analytical reference standard with the molecular formula C7H16N4S and a molecular weight of 188.29 g/mol.
Owing to a nitrile group, sulfur-containing functionality, 5,7-dimethyl-[1,2,4]triazolo[4,3-a]pyrimidine-3-thiol is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 188.29 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 5,7-dimethyl-[1,2,4]triazolo[4,3-a]pyrimidine-3-thiol 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 | C7H16N4S |
| Molecular Weight | 188.29 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) | 2.0 |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related dimethyl Standards
- 3,5-Dimethyl-2-phenylthiophene (CAS 57021-49-5)
- 5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-thiol (CAS 51646-17-4)
- 4,4-Dimethyl-d (CAS 42052-87-9)
- 2-(2,4-Dimethyl-1H-indol-3-yl)ethan-1-amine (CAS 1018592-84-1)
- 1-(1,1-Dimethyl-2,3-dihydro-1H-inden-5-yl)ethanone (CAS 102296-44-6)
- 1079-44-3 2-(2,5-DIMETHYL-1H-INDOL-3-YL)ETHANAMINE HYDROCHLORIDE K-0590 (CAS 1079-44-3)
- N,5-Dimethyl-1H-indole-3-ethanamine (CAS 1189798-86-4)
- 2-(1,6-dimethyl-1H-indol-3-yl)ethan-1-amine (CAS 1334146-07-4)
Recommended Standards
- 5-methyl-4-propylthiophene-2-carboxylic acid (CAS 790263-47-7)
- 5-(thiophen-3-yl)pentanoic acid (CAS 20906-04-1)
- Di-tert-butyl(isopropyl)phosphine (CAS 25032-49-9)
- 5-(Prop-2-yn-1-ylthio)-1,3,4-thiadiazole-2(3H)-thione (CAS 53918-17-5)
- 1-(1-Methyl-1H-indol-3-yl)-2-(1-naphthalenyl)ethanone (CAS 1638677-49-2)
- 4-Chloro-5,6-dimethylfuro[2,3-d]pyrimidine (CAS 139370-57-3)
- 2-(3-AMINOPROPYL)IMIDAZOLE 2HCL (CAS 33544-86-4)
- (R)-3-(1-Aminoethyl)aniline dihydrochloride (CAS 1202057-39-3)
- 1-(3,5-Dibromophenyl)perfluorobutan-1-one (CAS 79851-20-0)
- (7-Amino-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)(cyclopropyl)methanone (CAS 905810-60-8)
- (1-(2-Chlorobenzyl)-1h-imidazol-4-yl)methanamine hydrochloride (CAS 1439899-12-3)
- Pentoxyverine Impurity 15 (CAS CATO-C4X-227015)
- 6-Mercapto-1-(2-methoxyphenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 1105196-23-3)
- Endo-Gly4-Semaglutide (CAS CATO-C4X-222679)
Why CATO?
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