67982-38-1 2-Methyl-3-(2-methylphenyl)-4-oxo-3,4-dihydroquinazolin-6-yl hydrogen sulfate DTXSID10857966 CAS 67982-38-1
| CAS No. | 67982-38-1 |
| Molecular Formula | C16H14N2O5S |
| Molecular Weight | 346.36 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 67982-38-1 2-Methyl-3-(2-methylphenyl)-4-oxo-3,4-dihydroquinazolin-6-yl hydrogen sulfate DTXSID10857966.
67982-38-1 2-Methyl-3-(2-methylphenyl)-4-oxo-3,4-dihydroquinazolin-6-yl hydrogen sulfate DTXSID10857966 (CAS 67982-38-1), molecular formula C16H14N2O5S and molecular weight 346.36 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 67982-38-1 2-Methyl-3-(2-methylphenyl)-4-oxo-3,4-dihydroquinazolin-6-yl hydrogen sulfate DTXSID10857966 (C16H14N2O5S) is characterized by a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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 67982-38-1 2-Methyl-3-(2-methylphenyl)-4-oxo-3,4-dihydroquinazolin-6-yl hydrogen sulfate DTXSID10857966 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 | C16H14N2O5S |
| Molecular Weight | 346.36 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 1-[(3-Methylphenyl)methyl]-4-(methylsulfanyl)-2-oxo-6-phenyl-1,2-dihydropyridine-3-carbonitrile (CAS 478043-01-5)
- 1-[(4-Methylphenyl)methyl]-4-(methylsulfanyl)-2-oxo-6-phenyl-1,2-dihydropyridine-3-carbonitrile (CAS 478042-81-8)
- 4-ethyl-5-[2-(4-methylphenyl)quinolin-4-yl]-4H-1,2,4-triazole-3-thiol (CAS 588687-17-6)
- ({2-[(4-methylphenyl)sulfanyl]ethyl}carbamoyl)methyl 4-hydroxybenzoate (CAS 879320-34-0)
- 3-Methyl-4-(4-methylphenyl)-1-{[3-(trifluoromethyl)phenyl]methyl}-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 860789-70-4)
- (4-Methylphenyl)(phenyl)methyl 4-nitrobenzoate (CAS 32435-32-8)
- 5-[(4-Methylphenyl)sulfanyl]-3-phenyl-6-(trifluoromethyl)-1,2,4-triazine (CAS 383148-13-8)
- 6-Methyl-4-[(4-methylphenyl)sulfonyl]-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid (CAS 1858242-10-0)
Recommended Standards
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- Ilaprazole impurity 191 (CAS CATO-C4X-1130191)
- Benzyl ((3S,4S)-4-hydroxypyrrolidin-3-yl)carbamate hydrochloride (CAS 1951441-32-9)
- 1-(Carboxymethyl)-2,3-dihydro-1h-indene-1-carboxylic acid (CAS 72735-50-3)
- 3-(3-Fluoro-5-hydroxyphenyl)-6,8-dioxabicyclo[3.2.1]Octan-3-ol (CAS 1313254-77-1)
- 2-Methoxy-5-{[(propan-2-yl)amino]methyl}phenol (CAS 1021121-20-9)
- 4-(2-bromophenyl)butanenitrile (CAS 178809-32-0)
- 2-Chloro-n-[2-oxo-2-(pyrrolidin-1-yl)ethyl]acetamide (CAS 1193388-11-2)
- N-(8-azabicyclo[3.2.1]Octan-3-yl)-N-methylbenzamide hydrochloride (CAS 1432681-61-2)
- 2-(2-(5-Bromo-2,3-difluorophenoxy)ethyl)-1,3-dioxolane (CAS 1443354-36-6)
- 4-dihydro-4-oxo-7-bromo-1-3-Quinolinecarbonitrile (CAS 364793-56-6)
- Semaglutide impurity 61 (CAS CATO-C4X-222661)
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