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  • Massive Selection for N-Acetyl-L-Tyrosine Powder - DL-Homocysteinethiolactone HCL – Baishixing

    Massive Selection for N-Acetyl-L-Tyrosine Powder - DL-Homocysteinethiolactone HCL – Baishixing

    Specifications Chemical Name or Material DL-Homocysteine thiolactone hydrochloride Molecular Formula C4H8ClNOS Beilstein 3562103 Synonym dl-homocysteine thiolactone hydrochloride, 3-aminodihydrothiophen-2 3h-one hydrochloride, 3-aminothiolan-2-one hydrochloride, hctl hydrochloride, dl-homocysteinethiolactone hydrochloride, d,l-homocysteine thiolactone hydrochloride, d,l-homocysteinthiolakton chlorid german, +–dihydro-3-amino-2 3h-thiophenone hydrochloride, 2 3h-thiophenone, dih...
  • Cheap PriceList for 91229-91-3 - Boc-l-ala-osu – Baishixing

    Cheap PriceList for 91229-91-3 - Boc-l-ala-osu – Baishixing

    Specifications Appearance White crystalline  powder Specific Rotation[α]20/D -50.0°±2.0°(C=2,acetic acid) Purity ≥98.0% Melting point 162℃~165℃ Loss on drying  ≤1.0% Appearance: White to off-white powder Purity: 99%min Product Quality meets: Our company standards. Stock status: Usually keep 100-200KGs in stock. Application: it is widely used in food additives, pharmaceutical intermediate. Package: 25kg / barrel
  • factory low price D-Alanine - Boc-l-alanine-oh – Baishixing

    factory low price D-Alanine - Boc-l-alanine-oh – Baishixing

    Specifications Assay Percent Range 99+% Linear Formula (CH3)3COC(O)NHC(CH3)COOH Formula Weight 189.21 Specific Rotation − 26.00 Physical Form Granular Powder Percent Purity ≥99% Specific Rotation Condition −26.00 (20.00°C c=2,CH3COOH) Color White Melting Point 81.0°C to 84.0°C Chemical Name or Material BOC-L-Alanine Appearance: White to off-white powder Purity: 99%min Product Quality meets: Our company standards. Stock status: Usually keep 400-500KGs in stock. Applicat...
  • Low price for Cas. 205524-46-5 Hormones - L-Leucine – Baishixing

    Low price for Cas. 205524-46-5 Hormones - L-Leucine – Baishixing

    Specifications Solubility Information Solubility in water: 22.4g/L (20°C). Other solubilities: 10.9g/L acetic acid, slightly soluble in alcohol, insoluble in ether Formula Weight 131.17 Specific Rotation + 15.40 Sublimation Point 145.0 °C Specific Rotation Condition + 15.40 (20.00°C c=4, 6N HCl) Melting Point 286.0°C to 288.0°C Quantity 500g Chemical Name or Material L-Leucine Physicochemical properties L-leucine is a white crystalline or crystalline powder. It is a non-po...
  • Factory Free sample Prolinamide - D- Tryptophan methyl ester HCl – Baishixing

    Factory Free sample Prolinamide - D- Tryptophan methyl ester HCl – Baishixing

    Specifications Melting Point 205°C Formula Weight 254.71 Physical Form Crystal-Powder at 20°C Percent Purity ≥98.0% (N) Chemical Name or Material D-Tryptophan Methyl Ester Hydrochloride Appearance: White to off-white powder Purity: 99%min Melting point: 213-216 ℃ Boiling point: 390.6 ℃ at 760 mmHg Flash point: 190 ℃ Refractive index: – 19 ° (C = 5, MeOH) Vapor pressure: 2.62e-06mmhg at 25 ℃ Product Quality meets: Our company standards. Stock status: Usually keep 400-500KGs...
  • PriceList for D-Pyroglutamic Acid - L-Cystine Dihydrochloride – Baishixing

    PriceList for D-Pyroglutamic Acid - L-Cystine Dihydrochloride – Baishixing

    Specifications Appearance White crystal or crystalline powde Infrared Spectroscopy Conforms to known standard Specific Rotation[α]20/D -152°~ -167°(C=2,1NHCL) Transmit tance ≥98.0% Sulphate(SO42-) ≤0.02% Iron(Fe) ≤10ppm Residue on ignition ≤0.10% Heavy metal(Pb) ≤10ppm Assay 98.5%~101.0% Loss on drying  ≤1.0% Appearance: White to off-white powder Assay: 98.5%~101.0% Specific Orotation: -152°~ -167°(C=2,1NHCL) Product Quality meets: Company standard Stock status: ...
  • Best Price for Tyrosine - D-Threonine – Baishixing

    Best Price for Tyrosine - D-Threonine – Baishixing

    Specifications Color White Formula Weight 119.12 Physical Form Crystal-Powder at 20°C Percent Purity ≥98.0% (T) Chemical Name or Material D-(+)-Threonine Appearance: White to off-white powder Purity: 99%min Product Quality meets: Our company standards. Stock status: Usually keep 300-400KGs in stock. Application: it is widely used in food additives, pharmaceutical intermediate of Cefbuperazone. Package: 25kg / barrel Physical and chemical properties White crystal or crystalline p...
  • 100% Original Factory Boc-L-Alanine - Trans-ethyl 4-aminocyclohexanecarboxylate Hydrochloride – Baishixing

    100% Original Factory Boc-L-Alanine - Trans-ethyl 4-aminocyclohexanecarboxylate Hydrochloride – Baishixing

    Specifications Appearance White or off-white powder Purity(HPLC) ≥99.0% Residue on ignition ≤0.2% water ≤0.5% Appearance: White to off-white powder Purity: 99%min Product Quality meets: Our company standards. Stock status: Usually keep 100-200KGs in stock. Application: it is widely used in food additives, pharmaceutical intermediate, buffer, cell culture fields. Package: 25kg / barrel Synonym(s): Ethyl trans-4-Aminocyclohexanecarboxylate Hydrochloride trans-Ethyl 4-aminocyclohex...
  • China Factory for L-Tyrosine Food/Feed Grade - H-Hyp-OMe·HCl – Baishixing

    China Factory for L-Tyrosine Food/Feed Grade - H-Hyp-OMe·HCl – Baishixing

    Specifications Formula Weight 181.62 Percent Purity 98% Chemical Name or Material trans-4-Hydroxy-L-proline methyl ester hydrochloride Appearance:  White powder Product Quality meets: Company standards. Stock status: Usually keep100-200KGs in stock. Application: it is widely used in food additives, pharmaceutical intermediate, and cell culture field. Package: 25kg / barrel/ Bag Other Name: trans-4-Hydroxy-L-proline methyl ester; 4-HYDROXY-L-PROLINE METHYL ESTER HCl; H-HYP-OME HCL; H...
  • Cheapest Price China N-Acetyl-L-Tyrosine - D-Tryptophan – Baishixing

    Cheapest Price China N-Acetyl-L-Tyrosine - D-Tryptophan – Baishixing

    Specifications Appearance of Solution (1% aq. soln.) Clear colorless to light yellow Assay Percent Range 99% Infrared Spectrum Authentic Loss on Drying 0.5% max. Formula Weight 204.23 Specific Rotation + 31.50 Physical Form Powder Solubility Solubility in water: 11g/L (20°C). Other solubilities: soluble in alkali hydroxides, soluble in hot alcohol, insoluble in chloroform Percent Purity 99% Specific Rotation Condition + 31.50 (24.00°C c=1,H2O) Color White to Yellow Me...
  • Chinese Professional L-Alanyl-L-Cystine - L-pyroglutamic acid – Baishixing

    Chinese Professional L-Alanyl-L-Cystine - L-pyroglutamic acid – Baishixing

    Specifications Specific Rotation Condition − 27.50 (20.00°C c=10,1 N NaOH) Specific Rotation − 27.50 Water 0.5% Max. (K.F.) Color White Melting Point 152.0°C to 162.0°C Assay Percent Range 98% Beilstein 22,284 Solubility Information Solubility in water: 100-150g/l (20°). Other solubilities: soluble in alcohol and acetone Formula Weight 129.12 Physical Form Crystalline Powder Percent Purity 98% Chemical Name or Material L-pyroglutamic acid Appearance: white powder U...
  • New Arrival China Boc-L-Pyr. Obzl - N-Acetyl-L-tyrosine – Baishixing

    New Arrival China Boc-L-Pyr. Obzl - N-Acetyl-L-tyrosine – Baishixing

    Specifications Appearance white powder Specific Rotation[α]20/D +46.5° ~ +49.0° Transmittance ≥96.0% Chloride(CL) ≤0.02% Ammonium(NH4+) ≤0.02% Sulphate(SO42-) ≤0.02% Iron(Fe) ≤30ppm Residue on ignition ≤0.1% Heavy metal(Pb) ≤10ppm Arsenic ≤2ppm Assay 99.0%~101.0% Loss on drying ≤0.50% PH 2.0~3.0 Product Quality meets: Our company standards. Stock status: Usually keep 300-400KGs in stock. Application: N-acetyl-l-tyrosine and n-acetyl-l-tyrosine are importan...