-
Best Price for 56265-06-6 - 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... -
Super Lowest Price D-Leucine - 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 (2s,4s)-4-(Methoxymethyl)-1,2-Pyrrolidinedicarboxylic Acid 1-(1,1-Dimethylethyl) Ester - Manufacturer N-Boc-L-tert-Leucine, CAS No.: 62965-35-9 – Tongsheng Amino Acid
Product Detail Appearance: white to slightly yellow solid Purity: not less than 98% Synonyms BOC-TBU-GLYCINE; BOC-TBU-GLY-OH; BOC-TLE;BOC-TLE-OH; BOC-ALPHA-BUTYLGLYCINE; BOC-ALPHA-T-BUTYLGLYCINE; BOC-ALPHA-T-BUTYLGLYCINE-OH; BOC-ALPHA-T-BUTYL-GLY-OH Application Amino Acids;Leucine [Leu, L]; Amino Acids & Deriv.; CHIRAL CHEMICALS; Peptide Superiority 1. We usually have ton level in stock, and we can delivery the material quickly after we receive the order. 2. High quality & competitive... -
Best Price on 3680-69-1 - Manufacturer N-Boc-L-tert-Leucine, CAS No.: 62965-35-9 – Tongsheng Amino Acid
Product Detail Appearance: white to slightly yellow solid Purity: not less than 98% Synonyms BOC-TBU-GLYCINE; BOC-TBU-GLY-OH; BOC-TLE;BOC-TLE-OH; BOC-ALPHA-BUTYLGLYCINE; BOC-ALPHA-T-BUTYLGLYCINE; BOC-ALPHA-T-BUTYLGLYCINE-OH; BOC-ALPHA-T-BUTYL-GLY-OH Application Amino Acids;Leucine [Leu, L]; Amino Acids & Deriv.; CHIRAL CHEMICALS; Peptide Superiority 1. We usually have ton level in stock, and we can delivery the material quickly after we receive the order. 2. High quality & competitive... -
China Supplier 6113-61-7 - 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... -
2022 High quality Leu-Ile - 20-(tert-Butoxy)-20-oxoicosanoic acid CAS No.: 683239-16-9 – 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... -
OEM/ODM China Boc-Glu(Ome)-Oh - L-Lsoleucine CAS No.:73-32-5 Food Additive – 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 Packag... -
High definition L-Tert-Leucine Methyl Ester Hydro-Chloride - 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... -
Factory wholesale Nitrogen Heterocyclic Compounds - (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... -
Manufacturer for 34592-47-7 - N-Acetyl-amino acids N-Formyl-L-Leucine CAS No.: 6113-61-7 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance Off-white to white powder Specific Rotation [20/D] (c=1 in H2O) -37°to -41° Water(KF) ≤0.50% Assay 98.5% to 101.5% 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 Origin China Payment terms T/T Synonyms： FOR-LEU-OH; (S)-(+)-N-formyl leucine; FORMYL-L-ALANINE; (S)-2-formamido-4-methylpentanoic acid; N-HCO-(S)-Leu; N-... -
Manufactur standard Fmoc-Aeeac - 3-(DIMETHYLAMINO)AZETIDINE DIHYDROCHLORIDE 124668-49-1 manufacturer – Tongsheng Amino Acid
Product Detail Appearance: solid Purity:: ≥98% Product Quality meets: Our company standards Packing : 25kg/fiber drum ,1kg,5kg or according to customer requirements. Country of Origin : China Synonyms 3-(DIMETHYLAMINO)AZETIDINEDIHYDROCHLORIDE; N,N-Dimethyl-3-azetidinaminedihydrochloride; N,N-DiMethylazetidin-3-aMinedihydrochloride; 3-AzetidinaMine,N,N-diMethyl-,dihydrochloride; 3-(DiMethylaMino)azetidine2HCl; Azetidine-3-yl-dimethyl-amine; 3-(Dimethylamino)azetidinediHCl -
Fast delivery 51537-21-4 - 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...
