-
Excellent quality Boc-L-Proline - L-amino acids L-Hydroxyproline CAS No.: 51-35-4 bulk stock – Tongsheng Amino Acid
Product Detail Appearance White crystals or crystalline powder Specific rotation(a)D20 -74.0º to –77.0º Transmittance Not less than 95.0% Chloride (Cl) Not more than 0.02% Ammonium(NH4) Not more than 0.02% Heavy metal(Pb) Not more than 10ppm Iron(Fe) Not more than 10ppm Arsenic(As2O3) Not more than 1ppm Loss on drying Not more than 0.20% Residue on ignition Not more than 0.1% Assay 98.5 to 101.0% Validity period 2 years PH 5.0 – 6.5 Package 25kg/ drum ... -
Rapid Delivery for 666832-71-9 - (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... -
2022 wholesale price 41270-66-0 - 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... -
-
Good Quality Boc Protect Amino Acids - L-amino acids L-Glutamic Acid HCL CAS No.: 138-15-8 bulk stock – Tongsheng Amino Acid
Product Detail Appearance White crystals or crystalline powder State of solution (Transmittance) Clear and colorless Not less than 98.0% Specific rotation[α]20/D(C=10,2mol/L HCL) +25.2 to +25.8 Chloride (Cl) 19.11 to 19.50% Ammonium(NH4) Not more than 0.02% Sulfate (SO4) Not more than 0.020% Iron(Fe) Not more than 10ppm Heavy metal(Pb) Not more than 10ppm Arsenic(As2O3) Not more than 1ppm Loss on drying Not more than 0.50% Residue on ignition(sulfated) Not more tha... -
Good User Reputation for Fmoc-Trp(Boc)-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... -
Well-designed (3r)-(+)-3-(Boc-Amino)Pyrrolidine - 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... -
Wholesale Price Boc-Glycine - N-6-Trifluoroacetyl-L-lysine CAS No.: 10009-20-8 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White or off-white crystal powder Loss on drying Not more than 1.0% Sulphate ash Not more than 1.0% L-lysine Not more than 1.2% Specific rotation(C=1 2N in HCL) +16° to +20° Water Not more than 0.5% Assay 99.0% to 101.0% Storage Keep in dark place,Sealed in dry,Room Temperature Package 25kg/ drum Validity period 2 years Transportation by sea or by air or by land Country of Origin China Payment terms T/T Synonyms： Nε-Trifl... -
Fixed Competitive Price 139262-23-0 - 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... -
Hot sale Boc-Pyr-Ome - L-amino acids L-Hydroxyproline CAS No.: 51-35-4 bulk stock – Tongsheng Amino Acid
Product Detail Appearance White crystals or crystalline powder Specific rotation(a)D20 -74.0º to –77.0º Transmittance Not less than 95.0% Chloride (Cl) Not more than 0.02% Ammonium(NH4) Not more than 0.02% Heavy metal(Pb) Not more than 10ppm Iron(Fe) Not more than 10ppm Arsenic(As2O3) Not more than 1ppm Loss on drying Not more than 0.20% Residue on ignition Not more than 0.1% Assay 98.5 to 101.0% Validity period 2 years PH 5.0 – 6.5 Package 25kg/ drum ... -
New Fashion Design for 18621-18-6 - (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... -
Discount wholesale 1138-80-3 - 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...
