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Professional China 4530-20-5 - L-amino acids L-Hydroxyproline CAS No.: 51-35-4 bulk stock – Tongsheng Amino Acid
Product Detail Appearance White crystals or crystalline powder Specific rotation(a)D20 -74.0º to –77.0º Transmittance Not less than 95.0% Chloride (Cl) Not more than 0.02% Ammonium(NH4) Not more than 0.02% Heavy metal(Pb) Not more than 10ppm Iron(Fe) Not more than 10ppm Arsenic(As2O3) Not more than 1ppm Loss on drying Not more than 0.20% Residue on ignition Not more than 0.1% Assay 98.5 to 101.0% Validity period 2 years PH 5.0 – 6.5 Package 25kg/ drum ... -
Low price for H-Phe-Obzl.Hcl - 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... -
Best Price on Fmoc-Arg(Z)2-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... -
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Europe style for 54323-50-1，5025-82-1 - N-Acetyl-amino acids N-Acetyl-L-Glutamic acid CAS No.: 1188-37-0 bulk stock – Tongsheng Amino Acid
Product Detail: Appearance White crystals or crystalline powder Specific Rotation [20/D] -14 to -17.0° Heavy Metals (Pb) Not more than 20ppm Iron(Fe) Not more than 10ppm Arsenic(As2O3) Not more than 2ppm Sulfate(SO4) Not more than 0.10% Other amino acids Chromatographically not detectable Chloride (Cl) Not more than 0.02% Loss on drying Not more than 0.50% Residue on ignition Not more than 0.30% Assay 98.0% to 102.0% pH 1.7 to 2.8 Validity period 2 years Pac... -
High Quality for 1-(Diphenylmethyl)-3-Hydroxyazetidine - (S)-4-N-Boc-2-methylpiperazine 147081-29-6 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 TERT-BUTYL(S)-3-METHYL-1-PIPERAZINECARBOXYLATE; (S)-TERT-BUTYL3-METHYLPIPERAZINE-1-CARBOXYLATE; (S)-N4-BOC-2-METHYLPIPERAZINE; (S)-1-TERT-BUTOXYCARBONYL-3-METHYLPIPERAZINE; (S)-1-N-BOC-3-METHYLPIPERAZINE; (S)-3-METHYL-PIPERAZINE-1-CARBOXYLICACIDTERT-BUTY... -
OEM manufacturer 114214-69-6 - (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... -
Manufactur standard 59-51-8 - 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-... -
Manufacturer for 137076-22-3 - (R)-(-)-2-Methylpiperazine 75336-86-6 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)-(-)-2-METHYLPIPERAZINE; (R)-2-METHYLPIPERAZINE; PIPERAZINE,2-METHYL-,(2R)-; R-(-)-2-Methylpiperazine; (R)-(-)-2-Methylpiperazine; (R)-(-)-2-METHYLPIPERAZINE Application Chiral Building Blocks; Heterocyclic Building Blocks; Chiral Compounds; Piperaizine; Piperazine... -
Manufacturer for 886588-61-0 - Moc-L-valine 74761-42-5 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 S)-2-((Methoxycarbonyl)aMino)-3-Methylbutanoicacid; N-(Methoxycarbonyl)-L-valine; MOC-L-Valine; L-Valine,N-(Methoxycarbonyl); Moc-Val-OH; N-(methoxycarbonyl)-Valine Superiority 1. High quality & competitive price could be provided. 2.Quality analysis report... -
China Cheap price 1499-55-4 - 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... -
High Quality 3081-61-6 - 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-...
