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Quality Inspection for Boc-Glu(Ome)-Ome – Pharmaceutical Intermediates 2-Amino-3,5-dibromopyrazine CAS No.: 24241-18-7 – Tongsheng Amino Acid
Product Detail Appearance: white or off white to yellow to brown solid Purity: ≥98% Melting point : 114-117 °C Boiling point : 294.6±35.0 °C (Predicted) Density : 2.287±0.06 g/cm3 (Predicted) Product Quality meets: Our company standards Packing : 25kg/fiber drum or according to customer requirements Source: Chemical Synthetic Country of Origin : China Payment terms :T/T Port of Shipment : Chinese main port Synonyms 2-AMINO-3,5-DIBROMOPYRAZINE ; 3,5-DIBROMOPYRAZIN-2-YLAMINE ; 3,5-DI... -
New Arrival China Ethyl L-Thiazolidine-4-Carboxylate Hydrochloride - Compound salts L-Arginine-L-pyroglutamate CAS No.: 56265-06-6 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White crystalline powder Specific rotation[α]20/D (C=8 in 6N HCl) +16.5 to ~18.5 Degree Transmittance (0.5 in 10ml of H2O) Not less than 95.0% Chloride (Cl) Not more than 0.02% Sulfate(SO4) Not more than 0.02% Iron (Fe) Not more than 10ppm Heavy metal(Pb) Not more than 10ppm Ammonium(NH4) Not more than 0.02% Water(KF) Not more than 2.0% Residue on ignition(sulfated) Not more than 0.1% Assay 98.5% to 101.5% Validity period 2 years Package 2... -
Professional China 7531-52-4 - N-Acetyl-amino acids N-Acetyl-L-Glutamic acid CAS No.: 1188-37-0 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White crystals or crystalline powder Specific Rotation [20/D] -14 to -17.0° Heavy Metals (Pb) Not more than 20ppm Iron(Fe) Not more than 10ppm Arsenic(As2O3) Not more than 2ppm Sulfate(SO4) Not more than 0.10% Other amino acids Chromatographically not detectable Chloride (Cl) Not more than 0.02% Loss on drying Not more than 0.50% Residue on ignition Not more than 0.30% Assay 98.0% to 102.0% pH 1.7 to 2.8 Validity period 2 years Pac... -
PriceList for 177947-96-3 - 6-(Chloromethyl)uracil CAS No.: 18592-13-7 manufacturer – Tongsheng Amino Acid
Product Detail Appearance: solid Purity: ≥98% Product Quality meets: Our company standards. Stability : Stable under recommended storage conditions. Conditions for safe storage : Store in cool place .Keep container tightly closed in a dry and well-ventilated place. Precautions for safe handling: Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure – obtain special instructions before use. Provide appropriate exhaust ventilation at places where dust is f... -
Bottom price 17342-08-4 - Compound salts L-Arginine-L-pyroglutamate CAS No.: 56265-06-6 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White crystalline powder Specific rotation[α]20/D (C=8 in 6N HCl) +16.5 to ~18.5 Degree Transmittance (0.5 in 10ml of H2O) Not less than 95.0% Chloride (Cl) Not more than 0.02% Sulfate(SO4) Not more than 0.02% Iron (Fe) Not more than 10ppm Heavy metal(Pb) Not more than 10ppm Ammonium(NH4) Not more than 0.02% Water(KF) Not more than 2.0% Residue on ignition(sulfated) Not more than 0.1% Assay 98.5% to 101.5% Validity period 2 years Package 2... -
Short Lead Time for 105047-45-8 - L-Thr.NH2.Hcl 33209-01-7 manufacturer – Tongsheng Amino Acid
Product Detail Appearance: white crystalline powder Purity:: ≥98% Product Quality meets: Our company standards Packing : 25kg/fiber drum ,1kg,5kg or according to customer requirements. Country of Origin : China Hazards identification: Not a hazardous substance or mixture. Product can be transported as general chemicals. Synonyms H-THR-NH2·HCL; [R-(R*,S*)]-2-amino-3-hydroxybutyramidemono hydrochloride; L-Threoninamidemono hydrochloride; L-Threoninamide HCl; H-Thr-NH2•; THR-NH2 HCL; L-Threonin... -
Factory For Cbz-Pyr-Ome – H- Trp (Boc)-OH CAS:146645-63-8 manufacturer – Tongsheng Amino Acid
Product Detail Purity: ≥98% Product Quality meets: Our company standards Packing : 25kg/drum ,1kg,5kg or according to customer requirements. Source: Chemical Synthetic Country of Origin : China Synonyms N-IN-BOC-L-TRYPTOPHAN; N-INDOLE-T-BUTOXYCARBONYL-L-TRYPTOPHAN; H-TRP(BOC)-OH; N-IN-BOC-L-TRYPTOPHAN; N-INDOLE-T-BUTOXYCARBONYL-L-TRYPTOPHAN; (S)-2-amino-3-(1-(tert-butoxycarbonyl)-1H-indol-3-yl)propanoicacid; 1-Boc-D-tryptophan; 1-[(1,1-Dimethylethoxy)carbonyl]-L-tryptophan; L-Trp(Boc)-OH Appl... -
High Performance Fmoc-Cys(Trt)-Oh - Z-Trp-OH 7432-21-5 manufacturer – Tongsheng Amino Acid
Product Detail Purity: ≥98% Product Quality meets: Our company standards Packing : 25kg/drum ,1kg,5kg or according to customer requirements. Source: Chemical Synthetic Country of Origin : China Synonyms BENZYLOXYCARBONYL-L-TRYPTOPHAN; CBZ-TRP-OH; CBZ-L-TRYPTOPHAN; Z-L-TRP-OH; Z-L-TRYPTOPHAN; Z-TRYPTOPHAN; N-CARBOBENZOXY-L-TRYPTOPHAN Applicatoin Z-Trp-OH is used for biochemical reagents and peptide synthesis. AMINOACIDS DERIVATIVES; Tryptophan [Trp, W]; Z-Amino Acids and Derivatives; Biochemi... -
China OEM (2s,5s)-N-Boc-5-Methylpyrrolidine-2-Carboxylic Acid - (R)-3-(Boc-Amino)piperidine CAS No.: 309956-78-3 in stock – Tongsheng Amino Acid
Product Detail Appearance: white or off white crystalline Purity: ≥98% Melting point : 121.0 to 125.0 °C Boiling point 304.8±31.0 °C(Predicted) Density 1.02±0.1 g/cm3(Predicted) Product Quality meets: Our company standards Packing : 25kg/fiber drum or according to customer requirements Source: Chemical Synthetic Country of Origin : China Payment terms :T/T Port of Shipment : Chinese main port Synonyms CARBAMICACID,(3R)-3-PIPERIDINYL-,1,1-DIMETHYLETHYLESTER ; (R)-TERT-BUTYL-PIPERIDI... -
Competitive Price for Fmoc-Gly-Oh - L-amino acids L-Theanine CAS No.: 3081-61-6 bulk stock – Tongsheng Amino Acid
Product Detail Appearance White crystalline powder Solubility (1.0g/20ml H2O) Clear Colorless Specific rotation(a)D20(C=1 , H2O) +7.5º to +8.5º Assay 98.0-102.0% Melting Point (ºC) 200ºC to 210 ºC Chloride(C1) Not more than 0.02% Iron(Fe) Not more than 10ppm Heavy metals(Pb) Not more than 10ppm Arsenic(As2O3) Not more than 4ppm Loss on drying Not more than 1.0% Residue on ignition Not more than 1.0% Total plate count Not more than 1,000cfu/g Yeast and mold Not ... -
Fast delivery 1-Benzhydryl-3-Azetidinol - (R)-(-)-2-Methylpiperazine 75336-86-6 manufacturer – Tongsheng Amino Acid
Product Detail Appearance: white solid Purity: ≥98% Product Quality meets: Our company standards Packing : 25kg/ drum ,1kg,5kg or according to customer requirements. Source: Chemical Synthetic Country of Origin : China Synonyms (R)-(-)-2-METHYLPIPERAZINE; (R)-2-METHYLPIPERAZINE; PIPERAZINE,2-METHYL-,(2R)-; R-(-)-2-Methylpiperazine; (R)-(-)-2-Methylpiperazine; (R)-(-)-2-METHYLPIPERAZINE Application Chiral Building Blocks; Heterocyclic Building Blocks; Chiral Compounds; Piperaizine; Piperazine... -
China Cheap price 73286-70-1 - L-Phenylalanine，4-aMino-N-[(1，1-diMethylethoxy)carbonyl]-， ethyl ester CAS No.: 67630-01-7 – Tongsheng Amino Acid
Product Detail Appearance: solid Purity: ≥98% Product Quality meets: Our company standards. Stability : Stable under recommended storage conditions. Conditions for safe storage : Store in cool place .Keep container tightly closed in a dry and well-ventilated place. Precautions for safe handling: Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure – obtain special instructions before use. Provide appropriate exhaust ventilation at places where dust is f...
