1-Methyl-2-pyrrolidinone 4-Methylbenzenesulfonate Salt CAS 918659-71-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 918659-71-9 |
| Molecular Formula | C7H8O3S C5H9NO |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Methyl-2-pyrrolidinone 4-Methylbenzenesulfonate Salt (CAS 918659-71-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H8O3S C5H9NO. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H8O3S C5H9NO |
| Molecular Weight | 271.33 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 2-PYRROLIDINONE, 4-(3-METHYLPHENYL) (CAS 1019650-80-6)
- 2-PYRROLIDINONE, 4-(2-METHOXYPHENYL) (CAS 1020718-50-6)
- 5-ethyl-2-pyrrolidinone (CAS 10312-40-0)
- L-2-Pyrrolidinone-3,3,4,4,5-d5-5-carboxylic Acid (CAS 1086136-22-2)
- 1-Phenyl-3-pyrrolidinone (CAS 128120-02-5)
- 2-Pyrrolidinone, 1-(3,4-dichlorophenyl)-4-(hydroxymethyl)- (CAS 133748-10-4)
- 2-Pyrrolidinone, 5-acetyl-, (5R)- (CAS 1356822-22-4)
- 1-Methyl-2-pyrrolidinone-d9 (CAS 185964-60-7)
Recommended Standards
- 5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, polymer with 1,4-cyclohexanedimethanol and 3a,4,7,7a-tetrahydro-1,3-isobenzofurandione (CAS 153640-63-2)
- 2,8-Dimethyl-5-[2-(6-methyl-3-pyridinyl)ethyl]-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole dihydrochloride hydrate 97657-92-6 Dimebolin dihydrochloride hydrate Dimeboline dihydrochloride hydrate Dimebon dihydrochloride hydrate Dimebone dihydrochloride hydrate MFCD17215933 (CAS 97657-92-6)
- Clomipramine EP Impurity B (CAS 50-49-7)
- 2-(Difluoromethyl)-3-nitro-6-(trifluoromethoxy)pyridine-4-acetonitrile (CAS 1361877-86-2)
- 2-Amino-5-(difluoromethyl)benzoic acid (CAS 1784906-28-0)
- 4-(1-Ethyl-1h-pyrazol-5-yl)butan-2-ol (CAS 1339664-60-6)
- Cyclopeptide-5 (CAS 197172-76-2)
Why CATO?
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