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Excellent quality 328-38-1 - 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-... -
Good Quality 2743-40-0 - 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... -
Top Suppliers 122536-77-0 - (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... -
Factory Cheap Hot L-Pyroglutamic Acid - 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... -
OEM/ODM Supplier D-Valine - 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... -
Europe style for 132327-80-1 - Hign quality L-Cysteine ethyl ester hydrochloride CAS No: 868-59-7 – 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 Chemical ... -
2022 wholesale price 334618-23-4 - N-(Methoxycarbonyl)-L-valyl-L-proline 181827-47-4 manufacturer – Tongsheng Amino Acid
Product Detail Purity：98% Product Quality meets: Our company standards Packing : 25kg/fiber drum ,1kg,5kg or according to customer requirements. Source: Chemical Synthetic Country of Origin : China Synonyms N-(METHOXYCARBONYL)-L-VALYL]-L-PROLINE; L-Proline,N-(methoxycarbonyl)-L-valyl; (S)-1-((S)-2-((methoxycarbonyl)amino)-3-methylbutanoyl)pyrrolidine-2-carboxylicacid; (2S)-1-[(2S)-2-(methoxycarbonylamino)-3-methylbutanoyl]pyrrolidine-2-carboxylicacid Superiority 1. High quality & competi... -
Factory Cheap Hot 101930-07-8 - (R)-tert-butyl-(1-(5-methyl-1,2,4-oxadiazol-3-yl)ethyl)carbamate CAS No.: 2639993-97-6 – 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... -
Factory directly Cbz-Pro-Oh - Fmoc-D-Tyr(Et)-OH CAS: 162502-65-0 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 FMOC-D-TYROSINE(ET)-OH; FMOC-O-ETHYL-D-TYROSINE; FMOC-P-ETHOXY-D-PHE-OH; N-ALPHA-(9-FLUORENYLMETHOXYCARBONYL)-O-ETHYL-D-TYROSINE; N-ALPHA-FMOC-O-ETHYL-D-TYROSINE; FMoc-D-Tyr(Et); FMoc-4-ethoxy-D-Phe-OH Superiority 1. High quality & competitive price could be provided. 2.Q... -
Factory wholesale 109425-51-6 - 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... -
China OEM 167393-62-6 - 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 ... -
High Quality for 1-(Diphenylmethyl)-3-Hydroxyazetidine - tert-Butyl 3-formylazetidine-1-carboxylate 177947-96-5 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-(tert-Butoxycarbonyl)-3-azetidinecarboxaldehyde; 1-Boc-azetidine-3-carboxaldehyde; 1-Boc-3-forMylazetidine; tert-Butyl3-formylazetidine-1-carboxylate,N-(tert-Butoxycarbonyl)azetane-3-carboxaldehyde; 1-(tert-Butoxycarbonyl)azetidine-3-carboxaldehyde; 1-(tert-Butoxyca...
