Fmoc-Cys(tBu)-OH CAS 67436-13-9 Fmoc-S-tert-Butyl-L-Cysteine Purity >99.0% (HPLC)

Short Description:

Fmoc-S-tert-Butyl-L-Cysteine

Synonyms: Fmoc-Cys(tBu)-OH

CAS: 67436-13-9

Purity: >99.0% (HPLC)

Appearance: White to Off-White Powder

Fmoc-Amino Acids, High Quality

Contact: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com


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Description:

Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of Fmoc-S-tert-Butyl-L-Cysteine (Fmoc-Cys(tBu)-OH) (CAS: 67436-13-9) with high quality. Ruifu Chemical supplys a series of amino acids. We can provide worldwide delivery, competitive price, small and bulk quantities available. Purchase Fmoc-Cys(tBu)-OH, Please contact: alvin@ruifuchem.com 

Chemical Properties:

Chemical Name Fmoc-S-tert-Butyl-L-Cysteine 
Synonyms Fmoc-Cys(tBu)-OH; Fmoc-L-Cys(tBu)-OH; N-Fmoc-S-(tert-Butyl)-L-Cysteine; Nα-Fmoc-S-tert-Butyl-L-Cysteine; N(alpha)-Fmoc-S-tert-Butyl-L-Cysteine; N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-S-(tert-Butyl)-L-Cysteine; N-(9-Fluorenylmethyloxycarbonyl)-S-tert-Butyl-L-Cysteine; Fmoc-(R)-2-Amino-3-(S-tert-butyl)propanoic Acid
Stock Status In Stock 
CAS Number 67436-13-9
Molecular Formula C22H25NO4S
Molecular Weight 399.51 g/mol
Melting Point 135.0~137.0℃ 
Density 1.237±0.06 g/cm3
Sensitive Heat Sensitive 
Water Solubility  Soluble in Water 
Storage Temp.  Cool & Dry Place (2~8℃) 
COA & MSDS Available
Category   Fmoc-Amino Acids 
Brand Ruifu Chemical

Specifications:

Items Inspection Standards Results
Appearance White to Off-White Powder  White Powder
Specific Rotation [α]20/D -23.0° to -26.0° (C=1 in DMF)
-25.1°
Melting Point 135.0~137.0℃ 135.0~137.0℃
TLC One Spot One Spot
Water by Karl Fischer  <1.00% 0.23%  
Purity / Analysis Method >99.0% (HPLC)  99.23% 
Infrared Spectrum Conforms to Structure Complies      
NMR Spectrum Conforms to Structure Complies      
Conclusion The product has been tested & complies with the given specifications

Package & Storage:

Package: Fluorinated Bottle, Aluminium foil bag, 25kg/Cardboard 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.

Advantages:

Sufficient Capacity: Sufficient facilities and technicians

Professional Service: One stop purchasing service

OEM Package: Custom package and label available

Fast Delivery: If within stock, three days delivery guaranteed

Stable Supply: Maintain reasonable stock    

Technical Support: Technology solution available

Custom Synthesis Service: Ranged from grams to kilos

High Quality: Established a complete quality assurance system

FAQ:

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. 

67436-13-9 - Risk and Safety:

Safety Description S22 - Do not breathe dust.
S24/25 - Avoid contact with skin and eyes.
WGK Germany 3
HS Code 2922491990
Hazard Class IRRITANT

Application:

Fmoc-S-tert-Butyl-L-Cysteine (Fmoc-Cys(tBu)-OH) (CAS: 67436-13-9), is an amino acid building block used in peptide synthesis. With a growing peptide drug market the fast, reliable synthesis of peptides is of great importance.
Fmoc-Cys(tBu)-OH is used as a biochemical reagent and as an amino acid protective monomer.
Fmoc-amino acids, used in peptide synthesis, used as an organic synthesis intermediate, pharmaceutical intermediate, biochemical reagent or chemical reagent. 

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