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Excellent quality L-Pyr- Oet - 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... -
High Quality for D-Tyrosine - 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... -
Hot sale D-Amino Acids - 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... -
Manufacturer of Dl-Methionine - N-Acetyl-amino acids N-Acetyl-L-alanine CAS No.: 97-69-8 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White crystal powder Specific rotation[α]20/D (C=2 in H2O) -61 to -67 Degree 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： 2-Acetylaminopropionic acid; N-Acetyl-L-alanine; Ac-Ala-OH... -
OEM/ODM China 5-Chloro-2,3-Diphenylpyrazine - 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... -
High reputation 71989-31-6 - 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... -
Short Lead Time for (S)-(+)-2-Methylpiperazine - 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... -
Cheap price L-Pyroglutaminol - 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... -
New Arrival China 2-(3r)-3-Piperidinyl-1h-Isoindole-1,3(2h)-Dione - High quality 2-Bromo-5-iodobenzenemethanol 946525-30-0 – 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 2-BROMO-5-IODOBENZYL ALCOHOL; 2-bromo-5-iodobenzenemethanol; (2-Bromo-5-iodophenyl)methanol; Benzenemethanol, 2-bromo-5-iodo-; 4-bromo-3-hydroxymethyl-1-iodo-benzene Superiority 1. High quality & competitive price could be provided. 2.Quality analysis report (COA) of the shipment bat... -
OEM Manufacturer N-(Methoxycarbonyl)-L-Valyl-L-Proline - (2S)-1-(Chloroacetyl)-2- pyrrolidinecarbonitrile 207557-35-5 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. Source: Chemical Synthetic Country of Origin : China Synonyms 2S)-1-(2-Chloroacetyl)-2-9-pyrrolidinecarbonitrile; 2-Pyrrolidinecarbonitrile,1-(chloroacetyl)-,(2S)-; (S)-1-(2-CHLOROACETYL)PYRROLIDINE-2-CARBONITRILE; (2S)-1-(CHLOROACETYL)-2-PYRROLIDINECARBONITRILE; (2S)-1-CHLOROACETYLPYRROLIDINE-2-CARBONITRILE Application AC... -
OEM/ODM China L-Glutamic Acid .Hcl - 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,... -
Cheap PriceList for 84624-17-9 - 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...
