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Fmoc-D-Asp(OtBu)-OH CAS 112883-39-3 Purity >99.0% (HPLC)

Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of Fmoc-D-Asp(OtBu)-OH (CAS: 112883-39-3) with high quality. Ruifu Chemical can provide worldwide delivery, competitive price, excellent service, small and bulk quantities available. Purchase Fmoc-D-Asp(OtBu)-OH, Please contact: alvin@ruifuchem.com

Chemical Name Fmoc-D-Asp(OtBu)-OH  
Synonyms N-Fmoc-D-Aspartic Acid 4-tert-Butyl Ester; 4-tert-Butyl N-Fmoc-D-Aspartate; Fmoc-D-Aspartic Acid beta-tert-Butyl Ester; 4-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-D-Aspartate; N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-D-Aspartic Acid 4-tert-Butyl Ester
Stock Status In Stock, Commercial Production  
CAS Number 112883-39-3
Molecular Formula C23H25NO6
Molecular Weight 411.45 g/mol
Melting Point 145.0~160.0℃ 
Density 1.251±0.06 g/cm3 
COA & MSDS Available
Place of Origin  Shanghai, China
Category   Fmoc-Amino Acids
Brand Ruifu Chemical
Items Inspection Standards Results
Appearance White Powder White Powder  
Fmoc-D-Asp(OtBu)-OH Purity  >99.0% (HPLC)  99.45%
Melting Point 145.0~160.0℃ 148.2~148.5℃
Water Content (K.F) <0.50% 0.28%
Specific Rotation [α]20/D +24.0°±2.5° (C=1, DMF) +24.2°
Optical Purity   <0.30% L-Enantiomer 0.09%
TLC    One Spot  Conforms 
Clarity of Solution 0.3 gram in 2ml DMF Clear Solution Conforms 
IR Spectrum In Accordance With the Standard Conforms 
Mass Spectrum In Accordance With the Standard Conforms 
NMR Spectrum In Accordance With the Standard Conforms 
Conclusion This Product by Inspection Accords with the Enterprise Standard

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. 

Hazard Symbols N - Dangerous for the environment
Risk Codes
50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Description
S60 - This material and its container must be disposed of as hazardous waste.
S61 - Avoid release to the environment. Refer to special instructions / safety data sheets.
UN IDs 3077
WGK Germany 3
HS Code 2922491990
Hazard Class IRRITANT

Fmoc-D-Asp(OtBu)-OH (CAS: 112883-39-3), amino acids and peptide synthesis reagents. Reaction type: Fmoc solid-phase peptide synthesis. Fmoc-D-Asp(OtBu)-OH is an amino acid building block used in peptide synthesis. Also used as an organic synthesis intermediate, pharmaceutical intermediate, biochemical reagent.