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2022 Latest Design 103213-32-7 - L-amino acids L-Prolinamide CAS No.: 7531-52-4 bulk stock – Tongsheng Amino Acid
Product Detail Appearance White crystalline powder Specific rotation(a)D20 (C=2,H2O) -11.0º to –12.0º Melting Point (ºC) 158.0ºC to 163.0 ºC Chloride (Cl) Not more than 0.02% 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 Not more than 0.2% Assay 98.5 to 101.0% Validity period 2 years P... -
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Short Lead Time for (S)-(+)-2-Methylpiperazine - DL-amino acids DL-Methionine CAS No.: 59-51-8 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White crystalline powder Chloride (Cl) Not more than 0.05% Arsenic Not more than 3mg/kg Heavy metal(Pb) Not more than 10mg/kg Loss on drying Not more than 0.5% Residue on ignition Not more than 0.2% Assay Not less than 98% PH 5.4~6.1 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 &nbs... -
Wholesale Boc-Pyr-Oet - 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... -
Cheapest Price 100564-78-1 - (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... -
Fixed Competitive Price (R)-(-)-2-Methylpiperazine - DL-amino acids DL-Methionine CAS No.: 59-51-8 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White crystalline powder Chloride (Cl) Not more than 0.05% Arsenic Not more than 3mg/kg Heavy metal(Pb) Not more than 10mg/kg Loss on drying Not more than 0.5% Residue on ignition Not more than 0.2% Assay Not less than 98% PH 5.4~6.1 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 &nbs... -
factory Outlets for Covid-19 Nirmatrelvir Intermediates - 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... -
Factory Cheap Hot 35150-07-3 - L-amino acids L-Prolinamide CAS No.: 7531-52-4 bulk stock – Tongsheng Amino Acid
Product Detail Appearance White crystalline powder Specific rotation(a)D20 (C=2,H2O) -11.0º to –12.0º Melting Point (ºC) 158.0ºC to 163.0 ºC Chloride (Cl) Not more than 0.02% 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 Not more than 0.2% Assay 98.5 to 101.0% Validity period 2 years P... -
2022 wholesale price Gly-Leu - DL-amino acids DL-Methionine CAS No.: 59-51-8 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White crystalline powder Chloride (Cl) Not more than 0.05% Arsenic Not more than 3mg/kg Heavy metal(Pb) Not more than 10mg/kg Loss on drying Not more than 0.5% Residue on ignition Not more than 0.2% Assay Not less than 98% PH 5.4~6.1 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 &nbs... -
Well-designed 1188-37-0 - 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,... -
Chinese Professional 175463-32-8 - DL-amino acids DL-Methionine CAS No.: 59-51-8 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White crystalline powder Chloride (Cl) Not more than 0.05% Arsenic Not more than 3mg/kg Heavy metal(Pb) Not more than 10mg/kg Loss on drying Not more than 0.5% Residue on ignition Not more than 0.2% Assay Not less than 98% PH 5.4~6.1 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 &nbs... -
Europe style for 132327-80-1 - γ- Aminobutyric acid CAS No.: 56-12-2 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...
