Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of N-Cbz-L-Leucine (Z-Leu-OH) (CAS: 2018-66-8) with high quality. Ruifu Chemical supplys a series of amino acids. We can provide worldwide delivery, competitive price, small and bulk quantities available. Purchase N-Cbz-L-Leucine, Please contact: alvin@ruifuchem.com
| Chemical Name | N-Cbz-L-Leucine |
| Synonyms | Z-Leu-OH; Z-L-Leucine; N-Benzyloxycarbonyl-L-Leucine; N-Carbobenzoxy-L-Leucine; N-Carbobenzyloxy-L-Leucine; N-[(Phenylmethoxy)carbonyl]-L-Leucine; (S)-2-(((Benzyloxy)carbonyl)amino)-4-Methylpentanoic Acid |
| Stock Status | In Stock |
| CAS Number | 2018-66-8 |
| Molecular Formula | C14H19NO4 |
| Molecular Weight | 265.31 g/mol |
| Flash Point | 29℃ |
| Density | 1 g/mL at 25℃(lit.) |
| Refractive Index n20/D | 1.512(lit.) |
| Water Solubility | Not Miscible or Difficult to Mix in Water |
| Solubility | Soluble in Chloroform, DMSO and Methanol |
| Hazard Class | 3; Flammable Liquid |
| Packing Group | III |
| Storage Temp. | Cool & Dry Place (2~8℃) |
| COA & MSDS | Available |
| Category | Z-Amino Acids |
| Brand | Ruifu Chemical |
| Items | Inspection Standards | Results |
| Appearance | Colorless to Pale Yellow Viscous Liquid |
Complies |
| Specific Rotation [α]20/D | -17.0°±1.0° (C=2, in EtOH) |
-17.2° |
| Residual Solvent (EtOAc) | <5.0% | 0.008% |
| Clarity of Solution | 0.3 gram in 2 ml EtOH Clear Solution | Complies |
| Purity / Analysis Method | >98.5% (Titration) | 99.18% |
| Infrared Spectrum | Conforms to Structure | Complies |
| NMR Spectrum | Conforms to Structure | Complies |
| Conclusion | The product has been tested & complies with the specifications | |
Package: Fluorinated Bottle, 25kg/Drum, or according to customer's requirement.
Storage Condition: Store in sealed containers at cool and dry (2~8℃) warehouse away from incompatible substances. Protect from light and moisture.
Shipping: Deliver to worldwide 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.
Hazard Symbols Xn - Harmful
Risk Codes
R10 - Flammable
R20/22 - Harmful by inhalation and if swallowed.
R37/38 - Irritating to respiratory system and skin.
R40 - Limited evidence of a carcinogenic effect
R41 - Risk of serious damage to eyes
R36/37/38 - Irritating to eyes, respiratory system and skin.
R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
R67 - Vapors may cause drowsiness and dizziness
R63 - Possible risk of harm to the unborn child
R19 - May form explosive peroxides
Safety Description
S16 - Keep away from sources of ignition.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S36 - Wear suitable protective clothing.
S36/37 - Wear suitable protective clothing and gloves.
S60 - This material and its container must be disposed of as hazardous waste.
UN IDs UN 1993 3/PG 3
WGK Germany 3
RTECS OH2921000
HS Code 2922491990
N-Cbz-L-Leucine (Z-Leu-OH) (CAS: 2018-66-8), a L-Leucine derivative obtained by the substitution of a benzyloxycarbonyl group on the nitrogen atom. N-Cbz-L-Leucine is an N-Cbz-protected form of L-Leucine. L-Leucine is an essential amino acid
Reactant for: Peptide-based preparation of potential antitumor agents; Preparation of cyclopropyl peptidomimetics; Peptide synthesis; Used in the synthesis of oxytocin and other peptides.
Z-amino acid, can be used in peptide synthesis, can be also used as an organic synthesis intermediate, pharmaceutical intermediate, biochemical reagent or chemical reagent.