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Wholesale Amino Aicds - 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... -
Cheapest Price N-Acetyltyrosine - 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... -
High Quality for Carbocistein CAS 638-23-3 - 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:... -
High Quality for Dietary Supplement - 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... -
Popular Design for L-Cysteine Hydrochloride Powder - 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... -
OEM Manufacturer Health Supplement - N-Acetyl-L-Cysteine – Boyu
Characteristics: White crystalline or crystalline powder,Similar to garlic smell, sour taste. It is hygroscopic, soluble in water or ethanol, but insoluble in ether and chloroform. Item Specifications Specific rotation [a]D20° +21.3o ~ +27.0o State of solution（Transmittance） ≥98.0% Loss on drying ≤0.50% Residue on ignition ≤0.20% Heavy metals（Pb） ≤10ppm Chloride (Cl) ≤0.04% Ammonium(NH4) ≤0.02% Sulfate (SO4) ≤0.03% Iron (Fe) ≤20ppm Arsenic(as As2O3) ≤1ppm Melting ... -
One of Hottest for N-acetyl-L-Thioproline - 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, ... -
OEM/ODM Supplier Pharmaceutical Intermediate - 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... -
Hot-selling Amino Acid Granular - Water-soluble Amino Acid Fertilizer(Powder) – Boyu
Amino acid compound powder is a kind of compound amino acid powder, widely used in the raw material of organic fertilizer. It is made of natural protein hair, wool, goose feather raw materials, hydrochloric acid hydrolysis, desalination, spray, drying. The necessity of supplementing amino acid fertilizers for crops: 1.Amino acid plays a major role in crops. It can be used as an organic nitrogen source (especially under adversity conditions, the affinity of crops for organic nitrogen is even h... -
Chinese Professional Food Beverage Additive – 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... -
PriceList for 98% L-Cysteine HCl Mono - N-Acetyl-L-Cysteine – Boyu
Characteristics: White crystalline or crystalline powder,Similar to garlic smell, sour taste. It is hygroscopic, soluble in water or ethanol, but insoluble in ether and chloroform. Item Specifications Specific rotation [a]D20° +21.3o ~ +27.0o State of solution（Transmittance） ≥98.0% Loss on drying ≤0.50% Residue on ignition ≤0.20% Heavy metals（Pb） ≤10ppm Chloride (Cl) ≤0.04% Ammonium(NH4) ≤0.02% Sulfate (SO4) ≤0.03% Iron (Fe) ≤20ppm Arsenic(as As2O3) ≤1ppm Melting ... -
Good Quality Glycine Food/Feed Grade - 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...
