Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of N-Cbz-S-Benzyl-L-Cysteine (Z-Cys(Bzl)-OH) (CAS: 3257-18-9) with high quality. Ruifu Chemical can provide worldwide delivery, competitive price, excellent service, small and bulk quantities available. Purchase Z-Cys(Bzl)-OH, Please contact: alvin@ruifuchem.com
| Chemical Name | N-Cbz-S-Benzyl-L-Cysteine |
| Synonyms | Z-Cys(Bzl)-OH; Cbz-Cys(Bzl)-OH; N-Benzyloxycarbonyl-S-Benzyl-L-Cysteine; N-Carbobenzoxy-S-Benzyl-L-Cysteine |
| Stock Status | In Stock, Commercial Production |
| CAS Number | 3257-18-9 |
| Molecular Formula | C18H19NO4S |
| Molecular Weight | 345.41 g/mol |
| Melting Point | 96.0 to 100.0℃ |
| Density | 1.278g/cm3 |
| Solubility | Soluble in Ethanol |
| COA & MSDS | Available |
| Place of Origin | Shanghai, China |
| Product Categories | Z-Amino Acids |
| Brand | Ruifu Chemical |
| Items | Specifications | Results |
| Appearance | White or Off-White Crystalline Powder | Conforms |
| Melting Point | 96.0 to 100.0℃ | 98.1℃ |
| Specific Rotation [α]20/D | -55.0°±2.0° (C=1, DMF) | -55.99° |
| Loss on Drying | <0.50% | 0.14% |
| Purity / Analysis Method | >98.0% (HPLC) | 99.45% |
| Purity / Analysis Method | >98.0% (Neutralization Titration) | Conforms |
| Infrared Spectrum | Conforms to Structure | Conforms |
| NMR Spectrum | Conforms to Structure | Conforms |
| Conclusion | This product by inspection accords with the standard In-house | |
Package: Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer's requirement.
Storage Condition: Keep the container tightly closed and store in a cool, dry (2~8℃) and well-ventilated warehouse away from incompatible substances. Protect from light and moisture.
Shipping: Deliver to worldwide by air, by FedEx / DHL Express. Provide fast and reliable delivery.
How to Purchase? Please contact Dr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Years Experience? We have more than 15 years of experience in the manufacture and export of a wide range of high quality pharmaceutical intermediates or fine chemicals.
Main Markets? Sell to domestic market, North America, Europe, India, Korea, Japanese, Australia, etc.
Advantages? Superior quality, affordable price, professional services and technical support, fast delivery.
Quality Assurance? Strict quality control system. Professional equipment for analysis include NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, K.F, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.
Samples? Most products provide free samples for quality evaluation, shipping cost should be paid by customers.
Factory Audit? Factory audit welcome. Please make an appointment in advance.
MOQ? No MOQ. Small order is acceptable.
Delivery Time? If within stock, three days delivery guaranteed.
Transportation? By Express (FedEx, DHL), by Air, by Sea.
Documents? After sales service: COA, MOA, ROS, MSDS, etc. can be provided.
Custom Synthesis? Can provide custom synthesis services to best fit your research needs.
Payment Terms? Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T (Telex Transfer), PayPal, Western Union, etc.
| WGK Germany | 3 |
N-Cbz-S-Benzyl-L-Cysteine (Z-Cys(Bzl)-OH) (CAS: 3257-18-9), Z-amino acids and peptide synthesis reagents. Used as an organic synthesis intermediate, biochemical reagent and pharmaceutical intermediate.