Cefalexin EP Impurity B
7-Amino-3-methyl-3-cephem-4-carboxylic acid
CAS: 22252-43-3;127431-38-3;26395-99-3
Molecular Formula: C8H10N2O3S
Cefalexin EP Impurity B - Names and Identifiers
Cefalexin EP Impurity B - Physico-chemical Properties
| Molecular Formula | C8H10N2O3S |
| Molar Mass | 214.24 |
| Density | 1.59±0.1 g/cm3(Predicted) |
| Melting Point | 234°C (dec.) |
| Boling Point | 517.6±50.0 °C(Predicted) |
| Flash Point | 266.8°C |
| Water Solubility | Soluble in water (partly), 1M ammonium hydroxide (50 mg/ml), and DMSO (Sparingly). |
| Solubility | Do you have solubility information on this product that you would like to share |
| Vapor Presure | 4.18E-12mmHg at 25°C |
| Appearance | White to pale yellow crystalline powder |
| BRN | 5273616 |
| pKa | 3.04±0.50(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Refractive Index | 104 ° (C=1, 1mol/L H |
Cefalexin EP Impurity B - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R42/43 - May cause sensitization by inhalation and skin contact. R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| HS Code | 2941901010 |
Cefalexin EP Impurity B - Reference Information
| biological activity | 7-Aminodeacetoxycephalosporanic acid (7-ADCA) is a key intermediate in cephalosporin synthesis. |
| Use | is an antibiotic core, used as a pharmaceutical intermediate |
Last Update：2024-04-09 21:04:16
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Product Name: 7-Amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Request for quotationCAS: 26395-99-3
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Mobile: 18916960931
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Product Name: 7-Amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Visit Supplier Webpage Request for quotationCAS: 26395-99-3
Tel: +86-400-900-4166
Email: product@acmec-e.com
Mobile: +86-18621343501
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Multiple SpecificationsSpot supply
Product Name: 7-ADCA Visit Supplier Webpage Request for quotationCAS: 22252-43-3
Tel: 609-228-6898
Email: sales@medchemexpress.com
tech@medchemexpress.com
Mobile: 609-228-6898
Multiple SpecificationsSpot supply
Product Name: 7-Aminodesacetoxycephalosporanic Acid Visit Supplier Webpage Request for quotationCAS: 22252-43-3
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Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
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