-
Factory Price For 99% S-Carboxymethyl-L-Cysteine - L-Cysteine – Boyu
Characteristics: White crystal or crystalline powder Item Specifications Specific rotation[a]D20° + 8.3°~ +9.5° State of solution (Transmittance) ≥95.0% Loss on drying ≤0.50% Residue on ignition ≤0.10% Heavy metals(Pb) ≤10PPM Chloride (Cl) ≤0.04% Arsenic (As2O3) ≤1PPM Iron (Fe) ≤10PPM Ammonium (NH4) ≤0.02% Sulfate (SO4) ≤0.030% Other amino acids Chromatographically pH value 4.5 ～ 5.5 Assay 98.0%～101.0% Uses: Mainly used in medicine, food, cosmetics, biochemic... -
Chinese Professional Veterinary - L-Cysteine Hydrochloride Monohydrate – Boyu
Characteristics: White crystal or crystalline powder, sour taste, soluble in water and ethanol Item Specifications Description White crystals or crystalline powder Identification Infrared absorption uniformity Specific rotation[a]D20° +5.5°~ +7.0° State of solution (Transmittance) Clear and colorless ≥98.0% Loss on drying 8.5%-12.0% Residue on ignition ≤0.10% Chloride (Cl） 19.89% ~ 20.29% Sulfate (SO4) ≤0.02% Heavy metals（Pb） ≤0.001% Iron (Fe) ≤0.001% Ammonium ( NH... -
Factory selling Lysine Acid - L-Tyrosine – Boyu
Characteristics: White powder, Odorless and tasteless. Very slightly soluble in water, insoluble in absolute ethanol, methanol or acetone; soluble in dilute hydrochloric acid or dilute nitric acid. Item Specifications Appearance White crystals or crystalline powder Specific rotation [a]D20° -11.3o ~-12.1o Transmittance ≥98.0% Loss on drying ≤0.20% Residue on ignition ≤0.10% Chloride (Cl) ≤0.02% Sulfate ≤0.02% Iron（Fe） ≤10ppm Arsenic ≤1ppm Heavy metals（Pb） ≤10ppm P... -
One of Hottest for Reference Standard: Aji92 - L-Lysine hydrochloride – Boyu
Characteristics: White groud powder, Easily soluble in water, slightly soluble in alcohol, insoluble in ether. Item Specifications Appearance White crystalline powder or granular Specific rotation[a]D25 +20.0°~ +21.5° Transmittance ≥98.0% Loss on drying ≤0.50% Residue on ignition ≤0.10% Heavy metals ≤15ppm Chloride 19.0% ~ 19.6% Sulfate(as SO4) ≤0.03% Iron ( as Fe) ≤0.001% Arsenic(as As) ≤0.0001% Ammonium ≤0.02% Assay 98.5~100.5% Uses: Mainly used in food, medic... -
Reasonable price Organic Fertilizer - L-Cysteine Hydrochloride Monohydrate – Boyu
Characteristics: White crystal or crystalline powder, sour taste, soluble in water and ethanol Item Specifications Description White crystals or crystalline powder Identification Infrared absorption uniformity Specific rotation[a]D20° +5.5°~ +7.0° State of solution (Transmittance) Clear and colorless ≥98.0% Loss on drying 8.5%-12.0% Residue on ignition ≤0.10% Chloride (Cl） 19.89% ~ 20.29% Sulfate (SO4) ≤0.02% Heavy metals（Pb） ≤0.001% Iron (Fe) ≤0.001% Ammonium ( NH... -
professional factory for N-Acetyl-L-Cysteine - L-Cysteine Hydrochloride Monohydrate – Boyu
Characteristics: White crystal or crystalline powder, sour taste, soluble in water and ethanol Item Specifications Description White crystals or crystalline powder Identification Infrared absorption uniformity Specific rotation[a]D20° +5.5°~ +7.0° State of solution (Transmittance) Clear and colorless ≥98.0% Loss on drying 8.5%-12.0% Residue on ignition ≤0.10% Chloride (Cl） 19.89% ~ 20.29% Sulfate (SO4) ≤0.02% Heavy metals（Pb） ≤0.001% Iron (Fe) ≤0.001% Ammonium ( NH... -
Professional China Organic Fertilizer with Amino Acid - L-Arginine Hydrochlorid – Boyu
Characteristics: White powder,Odorless, bitter taste, easily soluble in water, the aqueous solution is acidic, very slightly soluble in ethanol, insoluble in ether. Item Specifications Appearance White crystalline or crystalline powder Identification Infrared absorption Specific rotation +21.4°~＋23.6° Loss on drying ≤0.2% Residue on ignition ≤0.10% Sulfate ≤0.02% Heavy metals ≤0.001% Chloride(as Cl) 16.50%~17.00% Ammonium ≤0.02% Iron ≤0.001% Arsenic ≤0.0001% ... -
OEM/ODM Manufacturer CAS: 52-89-1 - N-Acetyl-DL-Leucine – Boyu
Item Specifications Appearance White crystals or crystalline powder Infrared Spectrum Infrared absorption spectrum State of Solution ≥95.0% Loss on drying ≤0.50% Residue on ignition ≤0.30% Heavy metals（Pb） ≤20ppm Arsenic(As2O3） ≤2ppm Assay 97.5%～102.50% Uses: additive Stored: in dry, clean and ventilated places. In order to avoid pollution, it is prohibited to place this product together with poisonous or harmful substances. The expiry date is for two years. FAQ Q1:... -
Original Factory Used by Athletes - L-Leucine – Boyu
Characteristics: White powder, odorless, slightly bitter taste. Description White crystals or crystalline powder Specific rotation [a]D20° +14.90o ~ +17.30o Transmittance ≥98.0% Loss on drying ≤0.20% Residue on ignition ≤0.10% Chloride (Cl) ≤0.04% Sulfate( SO4) ≤0.02% Iron（Fe） ≤0.001% Heavy metals（Pb） ≤0.0015% Other amino acid Not detd. pH value 5.5～7.0 Assay 98.5%～101.5% Uses: Provide energy for the body; regulate protein metabolism, since it is easily conve... -
China Cheap price Chemical Reagent - L-Arginine Base – Boyu
Characteristics: White powder,Odorless, bitter taste; soluble in water, slightly soluble in ethanol, insoluble in ether. Item Specifications Description White crystalline powder Specific rotation [a]D20° +26.3o ~ +27.7o State of solution ≥98.0% Loss on drying ≤0.50% Residue on ignition ≤0.30% Heavy metals (as Pb) ≤0.0015% Chloride(as Cl) ≤0.030% Sulphate (as SO4) ≤0.020% Arsenic(as As2O3) ≤0.0001% pH Value 10.5~12.0 Assay 98.0%～101.0% Uses: Semi-essential ... -
Good Wholesale Vendors L-Tyrosine with Good Price - L-Tyrosine – Boyu
Characteristics: White powder, Odorless and tasteless. Very slightly soluble in water, insoluble in absolute ethanol, methanol or acetone; soluble in dilute hydrochloric acid or dilute nitric acid. Item Specifications Appearance White crystals or crystalline powder Specific rotation [a]D20° -11.3o ~-12.1o Transmittance ≥98.0% Loss on drying ≤0.20% Residue on ignition ≤0.10% Chloride (Cl) ≤0.02% Sulfate ≤0.02% Iron（Fe） ≤10ppm Arsenic ≤1ppm Heavy metals（Pb） ≤10ppm P... -
Factory Supply Complex Liquid - S-Carboxymethyl-L-Cysteine – Boyu
Item Specifications Description White crystals or crystalline powder Identification Infrared absorption uniformity Specific optical rotation[a]D20° -33.5°～ -36.5° State of solution ≥98.0% Loss on drying ≤0.30% Residue on ignition ≤0.1% Chloride ≤0.04% Sulfate (SO4) ≤0.02% Heavy metals（Pb） ≤10ppm Iron (Fe) ≤30ppm Ammonium (NH4) ≤0.02% Arsenic (As2O3) ≤1ppm Other amino acids Qualified PH value 2.0 ～ 3.5 Assay 98.5% ~101.0% Uses: Respiratory system drugs, ...
