Erlotinib Impurity 145 CAS 1683583-42-7
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1683583-42-7 |
| Molecular Formula | C18H26N2O5 |
| Molecular Weight | 350.41 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Erlotinib Impurity 145 (CAS 1683583-42-7) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C18H26N2O5. Molecular weight: 350.41 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C18H26N2O5 |
| Molecular Weight | 350.41 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 2 |
Related Erlotinib Standards
- Erlotinib Impurity 88 (CAS 18193-72-1)
- ErlotiniB impurity 36 (CAS CATO-C4X-106936)
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- Erlotinib Impurity 51 (CAS CATO-C4X-106951)
Recommended Standards
- 20-Azido-3,6,9,12,15,18-hexaoxaeicosan-1-amine 957486-82-7 Azido-PEG-amine (n=6) O-(2-Aminoethyl)-O inverted exclamation marka-(2-azidoethyl)pentaethylene glycol O-(2-Aminoethyl)-O'-(2-azidoethyl)pentaethylene Glycol (CAS 957486-82-7)
- N-Nitroso Vildagliptin Impurity 82(S-Isomer) (CAS CATO-C4X-110082)
- 2-(4-Ethoxycarbonylmethyl-benzyl)-2-methyl-malonic Acid Diethyl Ester 2-[[4-(2-Ethoxy-2-oxoethyl)phenyl]methyl]-2-methyl-propanedioic Acid 1,3-Diethyl Ester 223123-63-5 4-(2,2-Dicarboethoxy-propyl)phenylacetic Acid Ethyl Ester [[4-(2-Ethoxy-2-oxoethyl)phenyl]methyl]methylpropanedioic Acid Diethyl Ester (CAS 223123-63-5)
- Rimegepant Impurity 133 (CAS CATO-C4X-2487133)
- Enzalutamide Impurity 44 (CAS 24115-24-0)
- 4-(Sulfamoylamino)phenylboronic Acid (CAS 1298033-59-6)
- Olaparib Impurity 101 (CAS CATO-C4X-1135101)
- 6-Benzyloxy-5-(trifluoromethyl)pyridine-3-boronic acid (CAS 2377610-34-7)
- Methyl 2-amino-2-(m-tolyl)acetate hydrochloride (CAS 1255716-96-1)
- Semaglutide Impurity 2 (CAS CATO-C4X-22262)
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