6,7-Dimethoxy-4-(pentylamino)quinazoline-2(1H)-thione CAS 901868-37-9
| CAS No. | 901868-37-9 |
| Molecular Formula | C15H21N3O2S |
| Molecular Weight | 307.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6,7-Dimethoxy-4-(pentylamino)quinazoline-2(1H)-thione (CAS 901868-37-9), molecular formula C15H21N3O2S and molecular weight 307.41 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 6,7-Dimethoxy-4-(pentylamino)quinazoline-2(1H)-thione is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 307.41 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 6,7-Dimethoxy-4-(pentylamino)quinazoline-2(1H)-thione meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C15H21N3O2S |
| Molecular Weight | 307.41 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Dimethoxy Standards
- 4,5-Dimethoxy-2-[(thiophene-2-carbonyl)-amino]-benzoic acid (CAS 332163-01-6)
- 2-((4,6-Dimethoxy-5-nitropyrimidin-2-yl)amino)ethanesulfonamide (CAS 918445-46-2)
- 6,7-Dimethoxy-4-phenyl-2-naphthoic acid (CAS 109614-39-3)
- 2,5-Dimethoxy-4-methyl-N-(pyridin-3-yl)benzenesulfonamide (CAS 873680-60-5)
- N-(5,6-Dimethoxy-3-methylbenzo[d]thiazol-2(3H)-ylidene)pivalamide (CAS 895436-74-5)
- Methyl 3,3-dimethoxy-2-oxa-7,10-diaza-3-silatridecan-13-oate (CAS 1067-66-9)
- 3,4-Dimethoxy-N-(3-(2-oxopyrrolidin-1-yl)propyl)benzamide (CAS 832117-59-6)
- Methyl 3-(6,7-dimethoxy-4-methyl-3-oxo-3,4-dihydroquinoxalin-2-yl)propanoate (CAS 131426-28-3)
Recommended Standards
- 5-[Bis(4-methylphenyl)amino]-2-thiophenecarboxaldehyde (CAS 98660-86-7)
- Ethyl 2-(3-ethylthioureido)-5,6,7,8-tetrahydroquinoline-3-carboxylate (CAS 843633-44-3)
- 4-Methyl-N,N-diphenylbenzenesulfinamide (CAS 6873-89-8)
- Ethyl 4-(benzylcarbamothioyl)piperazine-1-carboxylate (CAS 497060-76-1)
- N-cycloheptyl-5-(2-methylbenzoyl)-1H-pyrrole-2-carboxamide (CAS 477848-84-3)
- 4-Chloro-2-fluoro-6-methoxybenzonitrile (CAS 1823366-82-0)
- 3-[1-(4-Chloro-phenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-3-oxo-propionitrile (CAS 565174-27-8)
- 4-(1-Methyl-1h-pyrazole-4-amido)benzoic acid (CAS 1004193-71-8)
- 2-Fluoro-N-methoxy-N-methyl-5-nitrobenzamide (CAS 947149-85-1)
- 3-((2,4-Dichlorobenzyl)amino)propan-1-ol (CAS 103324-55-6)
- 3-Hexadecanone (CAS 18787-64-9)
- 3-[(3,4-dimethoxyphenyl)amino]propanenitrile (CAS 91181-15-6)
- 3,7-dihydro-7-(3-methylbutyl)-3-(phenylmethyl)-1H-Purine-2,6-dione, potassium salt (1:1) (CAS 1052541-60-2)
- Glucagon Monohydrochloride (CAS 28270-04-4)
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