Formaldehyde, polymer with 1,1'-methylenebis[4-isocyanatobenzene] and phenol, 6-diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonate (ester) CAS 73018-35-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 73018-35-6 |
| Molecular Formula | C16H10N2O4S C15H10N2O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Formaldehyde, polymer with 1,1'-methylenebis[4-isocyanatobenzene] and phenol, 6-diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonate (ester) (CAS 73018-35-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H10N2O4S C15H10N2O2. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C16H10N2O4S C15H10N2O2 |
| Molecular Weight | 576.58 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 24.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Formaldehyde Standards
- Formaldehyde-2,4-Dinitrophenylhydrazone (CAS 1081-15-8)
- Formaldehyde-d2 (~20% in D2O) (CAS 1664-98-8)
- Formaldehyde, polymer with 6-phenyl-1,3,5-triazine-2,4-diamine and 1,3,5-triazine-2,4,6-triamine (CAS 25035-72-7)
- Formaldehyde compound with 4-(tert-butyl)phenol (1:1) (CAS 25085-50-1)
- Formaldehyde, polymer with 3-methylphenol (CAS 25086-36-6)
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- Formaldehyde, polymer with 1-phenylethanone (CAS 25398-55-4)
- Formaldehyde, polymer with aziridine (CAS 25549-69-3)
Recommended Standards
- (S)-2-(3-methoxypiperidin-1-yl)ethan-1-ol (CAS 1354010-81-3)
- Analysis of mercury (Hg) quality control samples in Soil (CAS CATO-CQCM101513)
- 3-(4-Bromo-2-methoxyphenyl)cyclobutanone (CAS 1467061-75-1)
- 4-[(2,5-difluorophenyl)methyl]-1H-imidazole hydrochloride (CAS 1909336-90-8)
- 4-Chloro-N-(1-methoxypropan-2-yl)picolinamide (CAS 1152579-33-3)
- N-(4-(Dimethylamino)phenyl)-2-((4-ethyl-5-(furan-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 603978-80-9)
- D-[Thr]7-Liraglutide (CAS CATO-C4X-199237)
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 13829788188 / jacky.chen@cato-chem.com