Lapatinib Impurity 29 CAS 27329-70-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 27329-70-0 |
| Molecular Formula | C5H5BO4 |
| Molecular Weight | 139.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Lapatinib Impurity 29 (CAS 27329-70-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H5BO4. Molecular weight: 139.90 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H5BO4 |
| Molecular Weight | 139.90 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1964 |
Related Lapatinib Standards
- Lapatinib Impurity 38 (CAS CATO-C4X-119138)
- Lapatinib Impurity 39 (CAS CATO-C4X-119139)
- Lapatinib Impurity 4 (CAS 6373-46-2)
- Lapatinib Impurity 2 (CAS 202197-25-9)
- Lapatinib Impurity 40 (CAS CATO-C4X-119140)
- Lapatinib Impurity 3 (CAS 59404-86-3)
- Lapatinib Impurity 1 (CAS 202197-26-0)
- Lapatinib Impurity 23 (CAS 202197-27-1)
Recommended Standards
- 27339-38-4 3-Formylfuran-2-ylboronic acid BC000785 Furan-2-boronic acid-3-carbaldehyde (CAS 27339-38-4)
- (6-Oxo-1,6-dihydropyrazin-2-yl)boronic acid (CAS 1225228-86-3)
- 4-Formylfuran-2-boronic Acid (CAS 62306-78-9)
- 4-Chloroethcathinone HCl (CAS 22198-75-0)
- 3-(Cyclohexyloxy)-5-hydroxybenzenesulfonamide (CAS 1243367-44-3)
- N-(2-carbamothioylethyl)-N-methylacetamide (CAS 1019345-48-2)
- 1-((2-Bromophenyl)sulfonyl)pyrrolidine-2-carboxamide (CAS 1040407-23-5)
- Mesalazine EP Impurity F (CAS 570-23-0)
- 2-(((2-Hydroxyethyl)thio)methyl)quinazolin-4(1H)-one (CAS 874606-65-2)
- Semaglutide impurity 32 (CAS CATO-C4X-222632)
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