-
China Manufacturer for 5-Chloro-6-(Chloromethyl)-2,4(1h,3h)-Pyrimidinedione - 3-methyl-N-(trifluoroacetyl)-L-Valine CAS No.: 666832-71-9 – 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... -
![Manufactur standard (S)-5-(Tert-Butoxycarbonyl)-5-Azaspiro[2.4]Heptane-6-Carboxylic Acid - High purity 5-BROMO-2-(4-BOC-PIPERAZIN-1-YL)PYRIMIDINE CAS No.: 374930-88-8 – Tongsheng Amino Acid](https://cdn.globalso.com/sctsgroup/jghfuytr-300x300.jpg)
-
Lowest Price for Fmoc-Trp-Oh - 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 41270-66-0 - (R)-N-BOC-2-methylproline 166170-15-6 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 (R)-N-BOC-2-methylproline; 1-(tert-butoxycarbonyl)-2-methyl-D-proline(SALTDATA:FREE); 1,2-Pyrrolidinedicarboxylicacid,2-methyl-,1-(1,1-dimethylethyl)ester,(2R)-; (2R)-2-Methyl-1,2-pyrrolidinedicarboxylicacid1-(1,1-dimethylethyl)ester; 1-Boc-2-Methyl-D-proline; (R)-1-B... -
Professional China 7531-52-4 - N-Acetyl-amino acids N-Acetyl-L-valine CAS No.: 96-81-1 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White crystals or crystalline powder Specific rotation[α]20/D (C=1 Acetic acid) +7.3°to +11.3° Melting point 159 to 168℃ Heavy metal(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 0.30% 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... -
Fast delivery 673-06-3 - N-Acetyl-amino acids N-Acetyl-L-phenylalanine CAS No.: 2018-61-3 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance white to off-white crystalline powder Specific Rotation (C=1 Methanol) +39.0°~ +41.0° Melting point 165～180℃ Water(KF) Not less than 0.5% Assay Not less than 98.0% EE optical purity HPLC Not less than 99.0% 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-l-P... -
Hot-selling Boc-4-Oxo-Pro-Ome - L-Tert-leucine methyl ester hydro-chloride 63038-27-7 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 (S)-Methyl2-amino-3,3-dimethylbutanoateHCl; L-tert-Leucinemethylesterhydrochloride; 3-dimethylbutanoatehydrochloride; L-Tert-Leucine methyl ester Hydrochloride L-Tle... -
Hot sale 78191-00-1 - (S)-2-ethylbutyl2-aminopropanoatehydrochloride 946511-97-3 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 S)-2-ethylbutyl2-aminopropanoatehydrochloride; L-alanine-2-ethylbutylester.HCl; L-Alanine2-ethylbutylesterhydrochloride; Remdesivir-006-S-HCl; (S)-2-Ethylbutyl2-AminopropanoateHCl Hydrochloride; RemdesivirImpurity8; Remdesivir-003-S-HCl; 2-ethylbutyl(2S)-2-aminopropanoatehydrochloride Sup... -
Rapid Delivery for Glycylglycine - 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... -
Manufacturer of Dl-Methionine - 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-... -
OEM/ODM China Gly-Otbu.Hcl - 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... -
Fast delivery 880468-89-3 - 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...
