SR 1664 CAS 1338259-05-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1338259-05-4 |
| Molecular Formula | C33H29N3O5 |
| Molecular Weight | 547.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order SR 1664 (CAS 1338259-05-4) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C33H29N3O5. Molecular weight: 547.60 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C33H29N3O5 |
| Molecular Weight | 547.60 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
Recommended Standards
- N-[3-[[4-[(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)methyl]benzoyl]amino][1,1-biphenyl]-4-yl]carbamic Acid tert-Butyl Ester (CAS 1003316-11-7)
- (R)-5-((9H-Fluoren-9-yl)methoxy)-4-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-5-oxopentanoic acid (CAS 252049-17-5)
- 4-Methylumbelliferyl 2-Acetamido-2-deoxy-3,6-dipivaloyl-β-D-galactopyranoside (CAS 849207-59-6)
- 3-(Carbamoylamino)-3-(4-methylphenyl)propanoic acid (CAS 923215-91-2)
- Ethyl 2-(dimethylamino)-2-(pyridin-4-yl)acetate (CAS 1007878-69-4)
- (S)-1-(cyclohexylmethyl)pyrrolidin-3-amine (CAS 457097-91-5)
- tert-Butyl (R)-6-amino-2-azaspiro[3.4]octane-2-carboxylate hydrochloride (CAS 2413365-43-0)
- 5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-carbaldehyde (CAS 55293-96-4)
- 7-Chloro-2-methyl-5-oxo-N-(pyridin-4-ylmethyl)-5H-chromeno[2,3-b]pyridine-3-carboxamide (CAS 343375-48-4)
- Peptide 438 (CAS CATO-CPTD788438)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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