Boc-Asp(OBzl)-OH CAS 7536-58-5 Purity >99.0% (HPLC) Factory

Chemical Name: Boc-Asp(OBzl)-OH  CAS: 7536-58-5  Purity: >99.0% (HPLC)  Appearance: White to Off-White Powder   Boc-Amino Acids and Derivatives, High Quality  Contact: Dr. Alvin Huang  Mobile/Wechat/WhatsApp: +86-15026746401 E-Mail: alvin@ruifuchem.com

Products Details

Chemical Properties:

Package: Fluorinated Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer's requirement. Storage Condition: Store in sealed containers at cool, dry (≤25℃) and ventilated warehouse away from incompatible substances. Protect from light and moisture.Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of Boc-Asp(OBzl)-OH (CAS: 7536-58-5) with high quality. Ruifu Chemical supplys a series of amino acids and derivatives. We can provide worldwide delivery, small and bulk quantities available. Purchase Boc-Asp(OBzl)-OH, Please contact: alvin@ruifuchem.com
Safety Statements S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes.  
WGK Germany HS Code           2922491990                        
TSCA Yes                         Hazard Class Irritant

Description:

Safety Information:

Package & Storage:

Chemical Name Boc-Asp(OBzl)-OH 
Synonyms Boc-L-Asp(OBzl)-OH; 4-Benzyl N-Boc-L-Aspartate; N-Boc-L-Aspartic Acid 4-Benzyl Ester; Boc-L-Aspartic Acid β-Benzyl Ester; 4-Benzyl N-(tert-Butoxycarbonyl)-L-Aspartate; N-(tert-Butoxycarbonyl)-L-Aspartic Acid 4-Benzyl Ester; N-tert-Butoxycarbonyl-L-Aspartic Acid β-Benzyl Ester
Stock Status In Stock, Production Capacity 30 Tons per Month 
CAS Number 7536-58-5 
Molecular Formula C16H21NO6
Molecular Weight 323.35 g/mol
Melting Point 98.0~102.0℃ 
Solubility in N,N-DMF Almost Transparency
Storage Temp.  Cool & Dry Place (≤25℃) 
COA & MSDS Available
Category   Boc-Amino Acids  
Brand Ruifu Chemical

Advantages:

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 AssuranceStrict 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. SamplesMost products provide free samples for quality evaluation, shipping cost should be paid by customers. Factory AuditFactory audit welcome. Please make an appointment in advance. MOQ? No MOQ. Small order is acceptable. Delivery Time? If within stock, three days delivery guaranteed. TransportationBy Express (FedEx, DHL), by Air, by Sea. Documents? After sales service: COA, MOA, ROS, MSDS, etc. can be provided. Custom SynthesisCan provide custom synthesis services to best fit your research needs. Payment TermsProforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T (Telex Transfer), PayPal, Western Union, etc. 

FAQ:

Stable Supply: Maintain reasonable stock    

Professional Service: One stop purchasing service

Technical Support: Technology solution available

Custom Synthesis Service: Ranged from grams to kilos

Fast Delivery: If within stock, three days delivery guaranteed

High Quality: Established a complete quality assurance system

Sufficient Capacity: Sufficient facilities and technicians

OEM Package: Custom package and label available

Specifications:

Items Inspection Standards Results
Appearance White to Off-White Powder  White Powder  
Melting Point 98.0~102.0℃ 101.5~101.8℃
Specific Rotation [α]20/D -18.5° to -21.0° (C=2 in DMF) -19.2°
Loss on Drying <0.50% 0.20% 
Residue on Ignition <0.20% 0.09%
Purity / Analysis Method >99.0% (HPLC)  99.7% 
H-Asp(OBzl)-OH <0.25% Conforms
Chiral Purity <0.50% D-Enantiomer Conforms
300 MHz NMR Spectrum 1H Consistent Consistent
Mass Spectrum In Accordance With the Standard Conforms
IR Spectrum In Accordance With the Standard   Conforms          
Heavy Metals <10ppm <10ppm
Conclusion This Product by Inspection Accords with the Enterprise Standard
Main Uses Boc-Amino Acids; Peptide Synthesis; Pharmaceutical Intermediates

Application:

Boc-Asp(OBzl)-OH (CAS: 7536-58-5), amino acids and derivatives, peptide synthesis, organic synthesis intermediate, pharmaceutical intermediates, biochemical reagents.  

Test Method:

1. Description: White or off-white powder (View by eye) 2. Loss on drying: nmt 0.5% (40℃, 6~8h) 3. Melting point: 98.0~102.0℃ (According to Method III of CP2005 Excursus VI C) . 4. Specific Rotation: -18.5° to -21.0° (C=2, in DMF) 5. Residue on Ignition: nmt 0.20% (According to General Method of GB9741-88) 6. Heavy Metals: nmt 10ppm (According to Method III of Heavy Metals, CP2005 Excursus 8H) . 7. Chromatographic purity (HPLC): nlt 99.00% Column: Sinochrom ODS-BP 5um Wavelength: 220nm Mobile phase: Solvent A: 0.1%TFA In ACN Solvent B: 0.1%TFA In H2O Gradient: A B 0.01min 50% 50% 20.00min 100% 0% 25.00min STOP Flow rate: 1.0ml/min Sample Description: 5mg/10ml ACN Volume: 10μL

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