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Factory Cheap Hot N-Boc-4-Piperidinemethanol - D-amino acids D-Leucine CAS No.: 328-38-1 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance white powder Appearance of solution Clear,colorless solution in 1N HCL(50mg/ml) Identification(TLC) complies Purity(TLC) ≧99.0% Enantiomer content(HPLC)L-enantiomer ≦0.5% Assay(EA,as is) ≧96.0% Validity period 2 years Package 25kg/ drum Storage Keep in dark place,Sealed in dry,Room Temperature Transportation by sea or by air or by land Country of Origin China Payment terms T/T Synonyms： leucine; (R)-2-Amino-4-methylpentanoi... -
High Quality 45214-91-3 - Glycylglycine CAS No.: 556-50-3 bulk stock – Tongsheng Amino Acid
Product Detail Appearance: Colorless or yellowish oily liquid or solid Purity: ≥98% Melting Point : 43.0 to 47.0 °C Boiling point ：370.9±32.0 °C(Predicted) 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 exposu... -
OEM Customized 516-06-3 - N-Acetyl-amino acids N-Acetyl-L-Leucine CAS No.: 1188-21-2 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White powder Specific Rotation [20/D] (C=4 in methanol) -22.0 to -26.0° State of Solution (Transmittance) Not less than 98.0% Heavy Metals (Pb) Not more than 20ppm Iron(Fe) Not more than 10ppm Arsenic(As2O3) Not more than 2ppm Chloride (Cl) Not more than 0.02% Loss on drying Not more than 0.35% Residue on ignition Not more than 0.20% Assay 98.0% to 102.0% Validity period 2 years Package 25kg/ drum Storage Keep in dark place,Sealed in dry,... -
2022 Good Quality 86028-91-3 - N-Acetyl-amino acids N-Acetyl-L-Leucine CAS No.: 1188-21-2 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White powder Specific Rotation [20/D] (C=4 in methanol) -22.0 to -26.0° State of Solution (Transmittance) Not less than 98.0% Heavy Metals (Pb) Not more than 20ppm Iron(Fe) Not more than 10ppm Arsenic(As2O3) Not more than 2ppm Chloride (Cl) Not more than 0.02% Loss on drying Not more than 0.35% Residue on ignition Not more than 0.20% Assay 98.0% to 102.0% Validity period 2 years Package 25kg/ drum Storage Keep in dark place,Sealed in dry,... -
China Manufacturer for Fmoc-Ser(Tbu)-Oh - Amino acids derivatives BOC-Glycine CAS No: 4530-20-5 bulk stock – Tongsheng Amino Acid
Product Detail Appearance White fine crystals Purity not less than 98% Melting Point 82.0 to 92.0℃ Boiling point 306.47°C (rough estimate) Solubility Soluble in water Product Quality meets Our company standards. Stability Stable under normal temperatures and pressures. Conditions for safe storage Keep container tightly closed in a dry and well-ventilated place. Incompatibilities Strong oxidizing agents – strong acids. Packing 25kg/ drum Source Chem... -
High Performance Fmoc-Cys(Trt)-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 ... -
Good Quality Anti – Diabetic Intermediates - (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... -
Factory Price N-(Tert-Butoxycarbonyl)-(S)-(+)-3-Pyrrolidinol - D-amino acids D-Leucine CAS No.: 328-38-1 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance white powder Appearance of solution Clear,colorless solution in 1N HCL(50mg/ml) Identification(TLC) complies Purity(TLC) ≧99.0% Enantiomer content(HPLC)L-enantiomer ≦0.5% Assay(EA,as is) ≧96.0% Validity period 2 years Package 25kg/ drum Storage Keep in dark place,Sealed in dry,Room Temperature Transportation by sea or by air or by land Country of Origin China Payment terms T/T Synonyms： leucine; (R)-2-Amino-4-methylpentanoi... -
Free sample for Tert-Butyl (S)-2-(4-Bromo-1h-Imidazol-2-Yl)Pyrrolidine-1-Carboxylate - 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... -
Cheapest Price L-Arginine-L-Aspartate - N-Acetyl-amino acids N-Acetyl-L-Leucine CAS No.: 1188-21-2 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White powder Specific Rotation [20/D] (C=4 in methanol) -22.0 to -26.0° State of Solution (Transmittance) Not less than 98.0% Heavy Metals (Pb) Not more than 20ppm Iron(Fe) Not more than 10ppm Arsenic(As2O3) Not more than 2ppm Chloride (Cl) Not more than 0.02% Loss on drying Not more than 0.35% Residue on ignition Not more than 0.20% Assay 98.0% to 102.0% Validity period 2 years Package 25kg/ drum Storage Keep in dark place,Sealed in dry,... -
2022 wholesale price 56-86-0 - N-Acetyl-amino acids N-Acetyl-L-Leucine CAS No.: 1188-21-2 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White powder Specific Rotation [20/D] (C=4 in methanol) -22.0 to -26.0° State of Solution (Transmittance) Not less than 98.0% Heavy Metals (Pb) Not more than 20ppm Iron(Fe) Not more than 10ppm Arsenic(As2O3) Not more than 2ppm Chloride (Cl) Not more than 0.02% Loss on drying Not more than 0.35% Residue on ignition Not more than 0.20% Assay 98.0% to 102.0% Validity period 2 years Package 25kg/ drum Storage Keep in dark place,Sealed in dry,... -
Top Quality 1115-69-1 - N-Acetyl-amino acids N-Acetyl-L-Leucine CAS No.: 1188-21-2 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White powder Specific Rotation [20/D] (C=4 in methanol) -22.0 to -26.0° State of Solution (Transmittance) Not less than 98.0% Heavy Metals (Pb) Not more than 20ppm Iron(Fe) Not more than 10ppm Arsenic(As2O3) Not more than 2ppm Chloride (Cl) Not more than 0.02% Loss on drying Not more than 0.35% Residue on ignition Not more than 0.20% Assay 98.0% to 102.0% Validity period 2 years Package 25kg/ drum Storage Keep in dark place,Sealed in dry,...
