Pentoxifylline M4 CAS 38975-44-9
| CAS No. | 38975-44-9 |
| Molecular Formula | C12H16N4O4 |
| Molecular Weight | 280.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Pentoxifylline M4 (CAS 38975-44-9), a certified reference material (molecular formula C12H16N4O4, MW 280.28 g/mol) for analytical method development and quality control.
The molecular framework of Pentoxifylline M4 (C12H16N4O4) is characterized by an amino-acid-derived structure, an amide 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. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C12H16N4O4 |
| Molecular Weight | 280.28 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| 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.) | 1968 |
| Nitrogen Atoms | 4 |
Related Pentoxifylline Standards
- Pentoxifylline impurity 35 (CAS CATO-C4X-172835)
- Pentoxifylline Impurity 16 (CAS 6493-06-7)
- Pentoxifylline Impurity 29 (CAS CATO-C4X-172829)
- Pentoxifylline (CAS 6493-05-6)
- Pentoxifylline EP Impurity G (CAS 93079-86-8)
- Pentoxifylline D5 (CAS 1185995-18-9)
- Pentoxifylline Impurity 18 (CAS 1185878-98-1)
- Pentoxifylline D6 (CAS CATO-C4X-172840)
Recommended Standards
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- H-Ala-Ala-pNA (CAS 57282-69-6)
- 2-Amino-6-ethyl-5,6,7,8-tetrahydroquinoline-3-carbonitrile (CAS 1247356-05-3)
- N-(3-Methylpyridin-4-yl)isonicotinamide (CAS 1429342-55-1)
- 4-Nonylaniline (CAS 37529-29-6)
- Carbidopa Impurity 12 (CAS 53832-94-3)
- Sitagliptin Impurity 164 (CAS 1496395-30-2)
- 3-(3-Fluorophenyl)tetrahydrofuran-3-carbaldehyde (CAS 1060817-40-4)
- 2-Methylbenzimidamide (CAS 18636-97-0)
- Suvorexant Impurity 8 (CAS 1062320-24-4)
- 4-(4-(tert-Butyl)pyridin-2-yl)benzofuro[2,3-b]quinoline (CAS 2218474-85-0)
- D-[γ-Glu](Side Chain)-Semaglutide (CAS CATO-C4X-2226254)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com