China Qualifed Supplier of HBTU

Product name:HBTU
CAS:94790-37-1
Molecular Formula: C11H16F6N5OP
Molecular Weight: 379.3 
Description of HBTU:
Chemical Name:2-(1H-Benzotriazole-1-yl)-1,1,3,3-tetramethylaminium hexafluorophosphate;O-Benzotriazole-N,N,N’,N’-tetramethyl-uronium-hexafluoro-phosphate
Application:One of the most popular in situ activation reagents in solid and solution phase peptide synthesis. In addition to having high reactivity, HBTU have also been shown to limit enantiomerization during fragment condensation and during DMAP catalyzed esterification od arginine derivatives. 
Appearance: White to off-white crystalline powder
More about:HBTU online

Qualified Seller of Fmoc-OSu

Product name:Fmoc-OSu
CAS:82911-69-1
Molecular Formula: C19H15NO5
Molecular Weight: 337.33
Description of Fmoc-OSu:
Other name:N-(9-Fluorenylmethoxycarbonyloxy) succinimide; 9- Fluorenylmethyl succinimidyl carbonate
Appearance: White to off white crystalline powder
Melting Point: 147~151 ℃
Purity: 99% min.
Storage:4°C
More about:Fmoc-OSu online

Best Price for Fmoc-Cl

Product name:Fmoc-Cl
CAS:28920-43-6
Molecular Formula: C15H11ClO2
Molecular Weight: 258.70
Description of Fmoc-Cl:
Other name:9-Fluorenylmethyl Chloroformate;Chloroformic acid 9-fluorenylmethyl ester
Appearance:White to off white powder 
Purity (HPLC):98% min. 
Melting Point:60~63°C  
Elemental Analysis:Consistent 
Loss on drying :< 0.2% 
Clarity of the solution(5% in acetone):Clear and colorless 
More about:Fmoc-Cl online

Professional China Supplier of EDC.HCl

Product name:EDC.HCl
CAS:25952-53-8
Molecular Formula: C8H17N3.HCl
Molecular Weight: 191.7
Description of EDC.HCl 
Category:Peptide Coupling Reagent
Appearance ( at 20℃):white crystalline powder 
Purity:99% min. 
Melting Point:111.8-113.0oC 
Ash:<0.1% 
Moisture (Karl fischer):<0.5% 
Solubility (5% in water):Clear and colorless 
Identification (IR spectrum):conform to spectrum of standard 
More about:EDC.HCl online

Information for CDI

Product name: CDI
CAS:530-62-1
Molecular Formula: C7H6N4O
Molecular Weight: 162.15
Description of CDI:
Chemical name:1,1'-Carbonyldiimidazole
Appearance:White to off-white powder
Melting Point:115~122 ℃ (dec.)
Purity (HPLC):98% min.
Loss on Drying:≤0.5%
Heavy Metals:≤20ppm
More about:CDI online

High Quality Bromoethylpyridiniumtetrafluoroborate

Product name: Bromoethylpyridiniumtetrafluoroborate
CAS: 878-23-9
Description of Bromoethylpyridiniumtetrafluoroborate:
Purity:98%+
Type: Syntheses Material Intermediates
Application:intermediate
Storage: Tightly closed, store in cool, dry place
More about:Bromoethylpyridiniumtetrafluoroborate online

BOP-Cl at Competitive Price

Product name: BOP-Cl
CAS No: 68641-49-6
Description of BOP-Cl:
Storage: Stable under ordinary conditions. Moisture sensitive
Application: Peptide coupling agent for sterically hindered amino acids which are not reactive with carbodiimide-based coupling agents.
More about:BOP-Cl online

Hot Sale Boc Anhydride

Product name: Boc Anhydride
Molecular Formula: C10H18O5
Molecular Weight: 218.25
Description of Boc Anhydride: Appearance: Colorless liquid and white crystal solid;
Assay: 99% min;
Synonyms: Di-tert-butyl pyrocarbonate, Dicarbonic acid bis(1, 1-dimethylethyl)ester, Pyrocarbonic acid di-tert-butyl ester, BOC-anhydride
More about:Boc Anhydride online

Supply Boc Anhydride

Product name: Boc Anhydride
Synonyms: Di-tert-butyl pyrocarbonate, Dicarbonic acid bis(1, 1-dimethylethyl)ester, Pyrocarbonic acid di-tert-butyl ester, BOC-anhydride.
Description of Boc Anhydride:
Di-tert-butyl dicarbonate is a reagent widely used in organic synthesis. This carbonate ester reacts with amines to give N-tert-butoxycarbonyl or so-called t-BOC derivatives. These derivatives do not behave as amines, which allows certain subsequent transformations to occur that would have otherwise affected the amine functional group. The t-BOC can later be removed from the amine using acids. Thus, t-BOC serves as a protective group, for instance in solid phase peptide synthesis. It is unreactive to most bases and nucleophiles, allowing for an orthogonal Fmoc protection.
More about:Boc Anhydride online

S-Methyl-L-Cysteine Sulfoxide Seller

Product name: S-Methyl-L-Cysteine Sulfoxide
CAS:6853-87-8
Description of S-Methyl-L-Cysteine Sulfoxide:
S-Methyl-L-Cysteine was oxidized by hydrogen peroxide to SMCSO by the method of Lepp and Dunn for methionine sulfoxide preparation.The (+) diastereoisomer was separated from the (-) form by fractional crystallization from an acetone/water mixture or water/ethanol mixture.
More about:S-Methyl-L-Cysteine Sulfoxide

High Quality Diethyl(3-pyridyl)borane for Sale

Product name: Diethyl(3-pyridyl)borane
Description of Diethyl(3-pyridyl)borane:
Application :
Reactant for:
• Preparation of inhibitors of ataxia telangiectasia mutated and Rad3 related (ATR) protein kinase as potential anticancer agents1
• N-Methylation reactions of the pyridyl group2
• Palladium catalyzed amination reactions3
• Intramolecular Heck reactions4
• Coupling reactions5
• Synthesis of trisubstituted pyrimidines from polyhalopyrimidines via Suzuki coupling6
More about:Diethyl(3-pyridyl)borane online

High Quality p-Toluenesulfonyl chloride for Sale

Product name: p-Toluenesulfonyl chloride
Description of p-Toluenesulfonyl chloride:
BOILING POINT:134 C (Decomposes)
STABILITY :Unstable.
Highly reactive hygroscopic. Hydrolyzes to hydrogen chloride and p-toluenesulfonic acid .
More about: p-Toluenesulfonyl chloride

Properties of Tosyl azide

Product name: Tosyl azide
Description of Tosyl azide:EINECS:213-381-5
Type:Pharmaceutical Intermediates 
Purity:98%+ 
Application: for pharmaceutical 
Appearance: white crystalline 
Melting point:22 centi grade 
More about:Tosyl azide

TDBTU for Promotion

Qualified TDBTU for Sale,Welcome to Contact  Us!

Product name: TDBTU
Description:
Purity: 98% min.
Loss on drying: 0.5% max
Heavy metals: 20 ppm max
Packing: 25g; 100g; 500g; 1kg/bag. 
Storage: In cool, dry place
More about:TDBTU

Applications for Sulfo-SMCC

Product name: Sulfo-SMCC
CAS Number: 92921-24-9
Molecular formula :C16H17N2O9SNa
Molecular weight :436.37
Description:
Applications for Sulfo-SMCC
1.Ideal crosslinker for enzyme labeling of antibodies, both enzyme activity and antibody specificity can be preserved
2.Create specific bioconjugates via one- or two-step crosslinking reactions
3.Create sulfhydryl-reactive, maleimide-activated carrier proteins for coupling haptens
More about:Sulfo-SMCC

9-Fluorenylmethanol, 9-Fluorenemethanol for Promotion

Product name:9-Fluorenylmethanol, 9-Fluorenemethanol
Other name:9-(Hydroxymethyl)fluorene
Description of 9-Fluorenylmethanol, 9-Fluorenemethanol:
Purity (HPLC):98% min. 
Melting Point:104~106 oC (dec.) 
More about: 9-Fluorenylmethanol, 9-Fluorenemethanol on line

What is PyBOP

Product name: PyBOP
Description of PyBOP:
PyBOP is one of the most convenient coupling reagents for peptide synthesis without carcinogenic by-products. It replaces BOP reagent. This is especially suitable for solid-phase peptide synthesis, avoids racemization
More about:PyBOP on line

DSC for Sale

Product name:DSC
CAS No.: 74124-79-1
Molecular Formula: C9H8N2O7
Molecular Weight: 256.2
Description of DSC:
Appearance: white crystalline powder
Melting point: 206-222 degree
Water(KF): 0.1% max
Assay(HPLC): 99.0 min
More about: DSC

Notes for 1 1-Carbonyldipyrrolidine

Product name: 1 1-Carbonyldipyrrolidine
Molecular Formula: C9H16N2O
Molecular Weight: 168.24
Description of 1 1-Carbonyldipyrrolidine:
Synonymous: Bis(tetramethylen)urea; Carbodipiperidide 
Flash point:113 oC
Form:White or yellowish crystal
Notes: Starting material for the synthesis of the corresponding uronium salts as peptide coupling reagents.
More about:1 1-Carbonyldipyrrolidine

What's We Know About BOP

Product name: BOP
Molecular Formula: C12H22F6N6OP2
Molecular Weight: 442.5
Description of BOP:Melt point:135-140℃
Appearance: White crystalline powder 
Purity: 99%min.
More about:BOP

Properties of ABEI

Product name: ABEI
CAS: 66612-29-1
Molecular Formula: C14H20N4O2
Molecular Weight : 276.33 g/mol
Description of ABEI:
assay:≥90%
mp:259-260 °C(lit.)
storage temp.: 2-8°C
Melting Point: 259-260 °C(lit.)
More about:ABEI on line