9-Methylxanthine CAS 1198-33-0
| CAS No. | 1198-33-0 |
| Molecular Formula | C6H6N4O2 |
| Molecular Weight | 166.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 166.14 g/mol gives 9-Methylxanthine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
9-Methylxanthine (CAS 1198-33-0), molecular formula C6H6N4O2 and molecular weight 166.14 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 9-Methylxanthine (C6H6N4O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 166.14 g/mol, it falls into the medium-molecular-weight range. 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), 9-Methylxanthine 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 | C6H6N4O2 |
| Molecular Weight | 166.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 4 |
Related Methylxanthine Standards
Recommended Standards
- 1,4,6,7-Tetrahydroimidazo[4,5-e][1,4]diazepine-5,8-dione (CAS 119584-65-5)
- 3-Amino-4-hydroxy-1,5-dihydro-6H-pyrazolo[4,3-c]pyridin-6-one (CAS 120267-11-0)
- methyl 2-(3-cyano-1H-1,2,4-triazol-1-yl)acetate (CAS 1193387-75-5)
- 1-(cyclopent-1-en-1-yl)-2,2,2-trifluoroethan-1-ol (CAS 1248355-50-1)
- 1-(4-Chloro-2-methylphenyl)-N-methylmethanamine (CAS 802036-24-4)
- 5-Ethoxy-N-(imino(pyridin-2-yl)methyl)-2-phenyloxazole-4-carboxamide (CAS 88584-28-5)
- (2E)-1-[5-({[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}methyl)-4,5-dihydro-1,2-oxazol-3-yl]-3-{[4-(trifluoromethoxy)phenyl]amino}prop-2-en-1-one (CAS 344276-97-7)
- 2-(Pent-4-ynyloxy)nicotinonitrile (CAS 1924322-08-6)
- 3-(1H-[1,2,4]Triazole-3-sulfonyl)-propionic acid (CAS 1019150-56-1)
- 4-Bromo-6-chloro-3-(difluoromethyl)-2-methylpyridine (CAS 1804725-22-1)
- 4-Chloro-N-(2-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)hydrazine-1-carbonothioyl)benzamide (CAS 883038-95-7)
- 2-(Hydroxymethyl)benzo[b]thiophene 1,1-dioxide (CAS 134996-50-2)
- 2,6-Dichloro-4-hydrazinopyridine (CAS 893616-23-4)
- Semaglutide impurity 61 (CAS CATO-C4X-222661)
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