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Manufacturer for 34592-47-7 - 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,... -
Best quality L(-)-Thiazolidine-4-Carboxylic Acid - 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... -
Wholesale 63038-27-7 - 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... -
Factory Outlets 18592-13-7 - (S)-(+)-2-Methylpiperazine 74879-18-8 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 (S)-(+)-2-METHYLPIPERAZINE; (S)-2-METHYLPIPERAZINE; PIPERAZINE,2-METHYL-,(2S)-; (2S)-2-Methylpiperazine; (S)-(+)-2-METHYLPIPERAZINE; (S)-(+)-2-METHYLPIPERZINE; L-(+)-2-Methylpiperazine S-(+)-2-Methylpiperazine Application Chiral Building Blocks;Heterocyclic Building B... -
OEM manufacturer 109425-55-0 - 92122-45-7 Fmoc-D-Lys(Boc)-OH Factory – Tongsheng Amino Acid
Product Detail CAS:92122-45-7 Appearance: White to off white solid Purity: ≥98% Product Quality meets: Our company standards Packing : 1kg or according to customer requirements. Source: Chemical Synthetic Production Capacity:3-4MT/Month Synonyms Nα-FMoc-Nε-Boc-D-lysine; N(e)-Boc-N(α)-Fmoc-D-lysine; Nε-(tert-Butoxycarbonyl)-Nα-[(9H-fluoren-9-ylmethoxy)carbonyl]-D-lysine; (9H-Fluoren-9-yl)MethOxy]CarbonylD-Lys(Boc)-OH; N2-(((9H-Fluoren-9-yl)methoxy)carbonyl)-N6-(tert-butoxycarbonyl)-D-lysine (... -
Manufacturer for 137076-22-3 - 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... -
Good Wholesale Vendors 91-00-9 - (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... -
Reasonable price 33209-01-7 - 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... -
China wholesale 62062-65-1 - 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... -
Big Discount 1142-20-7 - China Boc-L-Tyr(tBu)-OH CAS:47375-34-8 manufacturer – Tongsheng Amino Acid
Product Detail CAS:47375-34-8 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 Our capacity:2-3 MT/Month Annual output:ton level Synonyms Boc-O-tert-butyl-L-tyrosine; (2S)-2-[[(2-methylpropan-2-yl)oxy-oxomethyl]amino]-3-[4-[(2-methylpropan-2-yl)oxy]phenyl]propanoicacid; (2S)-2-{[(tert-butoxy)carbonyl]amino}-3-[4-(tert-butoxy)phenyl]propanoicacid; BOC-TYR(TBU)-OH; B... -
Europe style for 132327-80-1 - 86060-84-6 Fmoc-Asp(OBzl)-OH manufacturer – Tongsheng Amino Acid
Product Detail CAS: 86060-84-6 Appearance: White to off white powder Purity: ≥98% Product Quality meets: Our company standards Packing : 25kg or according to customer requirements. Source: Chemical Synthetic Capacity:3-5 mt/month Synonyms Fmoc-L-aspartic acid 4-benzyl ester； FMOC-L-ASPARTICACIDBETA-BENZYLESTER; FMOC-L-ASP(OBZL)-OH; FMOC-ASPARTICACID(OBZL)-OH; L-FMOC-ASPARTICACIDBETA-BENZYLESTER; 9-FLUORENYLMETHOXYCARBONYL-L-ASPARTICACIDBETA-BENZYLESTER Superiority 1. High quality & comp... -
New Arrival China Ethyl L-Thiazolidine-4-Carboxylate Hydrochloride - 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...
