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High reputation N-Tert-Butyl-Dl-Serineisopropyl Ester - Compound salts L-Arginine-L-aspartate CAS No.: 7675-83-4 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White or almost crystalline powder Specific rotation[α]20/D (C=8 in 6N HCl) +25.0°to+27.0° Chloride (Cl) Not more than 0.05% Sulfate(SO4) Not more than 0.03% Heavy metal(Pb) Not more than 20ppm Ammonium(NH4) Not more than 0.02% Loss on drying Not more than 3.0% Residue on ignition(sulfated) Not more than 0.1% Assay 98.5% to 101.0% Validity period 2 years Package 25kg/ drum Storage Keep in dark place,Sealed in dry,Room Temperature Transport... -
Hot New Products 13726-69-7 - BOC-Lys(Z)-OH CAS: 2389-45-9 Manufacturer – Tongsheng Amino Acid
Product Detail Appearance: White to off white solid Purity: ≥98% Product Quality meets: Our company standards Packing : 25kg/fiber drum ,1kg,5kg or according to customer requirements. Source: Chemical Synthetic Synonyms N6-Benzyloxycarbonyl-N2-tert-butoxycarbonyl-L-lysine; 2-(tert-Butoxycarbonylamino)-6-(benzoxycarbonylamino)hexanoicacid; BOC-Z-LYSINE; BOC-N-E-Z-L-LYSINE; N-tert-Butoxycarbonyl-Nε-Cbz-L-lysine; NALPHA-BOC-NEPSILON-CBZ-L-LYSINE; NALPHA-BOC-NEPSILON-Z-L-LYSINE; N-ALPHA-T-BUTYLO... -
Good quality 181827-47-4 - 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... -
Free sample for 199174-24-8 - 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... -
Manufacturer of 1-Boc-3-Hydroxypyrrolidine - 1-Boc-azetidine-3-ylmethanol 142253-56-3 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 1-Boc-3-azetidineMethanol; Boc-Azetidin-3-ylMethanol; 1-(tert-Butoxycarbonyl)-3-azetidineMethanol; 1-Azetidinecarboxylicacid,3-(hydroxyMethyl)-,1,1-diMethylethylester; 1-Boc-3-(hydroxyMethyl)azetidine; TERT-BUTYL3-(HYDROXYMETHYL)AZETIDINE-1-CARBOXYLATE; 3-HYDROXYMETHY... -
Manufacturing Companies for Dl-Leu - N-Acetyl-amino acids N-Acetyl-D-Leucine CAS No.: 19764-30-8 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White to off-white powder Specific Rotation [20/D] (C=4 in CH3OH) +22.0°to+26.0° Melting point 174.0-179.0℃ Heavy Metals (Pb) Not more than 20ppm Arsenic(As2O3) Not more than 2ppm Loss on drying Not more than 0.50% Residue on ignition Not more than 0.20% Assay Not less than 98.5% 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 Origi... -
Fast delivery 166108-71-0 - L-amino acids L-Pyroglutamic acid CAS No.: 98-79-3 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... -
OEM Manufacturer 1094617-45-4 - 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... -
Short Lead Time for 3-Hydroxyazetidine Hydrochloride - 3-Hydroxyazetidine hydrochloride 18621-18-6 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 :3-AZETIDINOLHYDROCHLORIDE; 3-HYDROXYAZETIDINE HCL; 3-HYDROXYAZETIDINEHYDROCHLORIDE; AZETIDIN-3-OLHYDROCHLORIDE; AZETIDIN-3-OL,HYDROCHLORIDESALT; 3-hydroxyazacyclobutanehydrochloride; AZETAN-2-ONE Superiority 1. High quality & competitive price could be provided. 2.Quality analysis report ... -
Factory Price 1218-34-4 - N-Acetyl-amino acids N-Acetyl-D-alanine CAS No.: 19436-52-3 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White crystal powder Specific rotation[α]20/D (C=2 in H2O) +61° to +67° Transmittance Not less than 95.0% Loss on drying Not more than 0.50% Assay 98.0% to 102.0% 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: N-acetyl-D-Ala; AC-D-Ala-OH; AC-D-ALANINE; N-Acetyl-D-alanine-... -
2022 New Style (S)-3-Hydroxypyrrolidine Hydrochloride - (R)-4-Boc-2-methylpiperazine 163765-44-4 manufacturer – Tongsheng Amino Acid
Product Detail Appearance: white to off white powder 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)-METHYL-PIPERAZINE-1-CARBOXYLICACIDTERT-BUTYLESTER; (R)-N-BOC-2-METHYLPIPERAZINE; (R)-N4-BOC-2-METHYLPIPERAZINE; TERT-BUTYL(R)-3-METHYL-1-PIPERAZINECARBOXYLATE; (R)-4-N-BOC-2-METHYLPIPERAZINE; (R)-4-BOC-2-METHYLPIPERAZINE; (R)-3-METHYL-PIPERAZINE-1-CA... -
2022 wholesale price 334618-23-4 - 2-(3R)-3-Piperidinyl-1H-isoindole-1,3(2H)-dione 886588-61-0 manufacturer – Tongsheng Amino Acid
Product Detail Appearance: white 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 3-(R)-PIPERIDINYLPHTHALIMIDEHYDROCHLORIDE; 3-(R)-PIPERIDINYLPHTHALIMIDEHC; (R)-2-(Piperidin-3-yl)isoindoline-1,3-dionehydrochloride; 2-(3R)-3-Piperidinyl-1H-isoindole-1,3(2H)-di...