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18 Years Factory 129460-09-9 - O-Benzyl-L-threonine benzyl ester oxalate 15260-11-4 manufacturer – Tongsheng Amino Acid
Product Detail Appearance: white solid 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 H-Thr(Bzl)-OBzloxalate; L-2-amino-3-(benzyloxy)-butyricacidbenzylesteroxalate; L-ThreonineO-(phenylmethyl)phenylmethylesteret; Thr(BZl)-oBZl.Oxa; (2S,3R)-Benzyl2-amino-3-(benzylo... -
Factory wholesale (S)-4-N-Boc-2-Methylpiperazine - (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... -
Best Price for (R)-(+)-1-Boc-3-Aminopyrrolidine - 6-(Chloromethyl)uracil CAS No.: 18592-13-7 manufacturer – 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... -
China Factory for 71989-35-0 - L-amino acids L-Theanine CAS No.: 3081-61-6 bulk stock – Tongsheng Amino Acid
Product Detail Appearance White crystalline powder Solubility (1.0g/20ml H2O) Clear Colorless Specific rotation(a)D20(C=1 , H2O) +7.5º to +8.5º Assay 98.0-102.0% Melting Point (ºC) 200ºC to 210 ºC Chloride(C1) Not more than 0.02% Iron(Fe) Not more than 10ppm Heavy metals(Pb) Not more than 10ppm Arsenic(As2O3) Not more than 4ppm Loss on drying Not more than 1.0% Residue on ignition Not more than 1.0% Total plate count Not more than 1,000cfu/g Yeast and mold Not ... -
China OEM 147081-44-5 - (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... -
OEM China (5s)-N-(Methoxycarbonyl)-L-Valyl-5-Methyl-L-Proline - 1-BOC-3-PYRROLIDINONE CAS NO:101385-93-7 manufacturer – Tongsheng Amino Acid
Product Detail Appearance: off white powder Purity:: ≥98% Product Quality meets: Our company standards Packing : 50kg/ 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 N-Boc-3-pyrolidinone; 3,5-Dichloro-4-FormylPydidine; 1-tert-Butoxycarbonyl-3-pyrrolidone; 1-N-Boc-3-pyrrolidinone; 1,1-DiMethylethyl3-Oxopyrrolidine-1-carboxylate; N-BOC-3-Pyrrolo... -
OEM Manufacturer N-(Methoxycarbonyl)-L-Valyl-L-Proline - 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... -
Professional Design 154445-77-9 - H-Phe-OMe.HCl 7524-50-7 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 L-Phenylalanine methyl ester hydrochloride; H-Phe-OMe·HCl MethylL-phenylalaninate; L-Phe-OMe.HCL; MethylL-phenylalani; (S)-2-AMINO-3-PHENYL-PROPIONICACIDMETHYLESTER ... -
2022 High quality 138-15-8 - 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... -
China Gold Supplier for Fmoc-2-Nal-Oh - H-Hyp-OMe·HCl 40216-83-9 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 H-HYP-OMEHCL; H-L-HYP-OME HCL; HYDROXYPROLINE-OME HCL; (2S,4R)-trans-4-hydroxy-L-proline methyl ester hydrochloride; 4-hydroxy-2-pyrrolidinecarboxylicacid methyl est... -
OEM/ODM Supplier D-Valine - 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,... -
Manufacturer for H-Β-Ala-Ome.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...
