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China Cheap price N-Acetyl-L-Cysteine Nac - 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, ... -
Bottom price Plant Growth Regulators - 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, ... -
Wholesale Amino Acid Foliar - 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... -
Super Purchasing for L-Lysine - L-Cystine – Boyu
Characteristics: White crystalline or crystalline powder, soluble in dilute acid and alkali solutions, very insoluble in water, insoluble in ethanol. Item Specifications Appearance White crystals or crystalline powder Specific rotation [a]D20° -215.0o ~ -225.0o Transmittance ≥98.0% Loss on drying ≤0.20% Residue on ignition ≤0.10% Chloride (Cl) ≤0.02% Ammonium (NH4) ≤0.04% Sulfate ≤0.02% Iron（Fe） ≤10ppm Heavy metals（Pb） ≤10ppm Transmittance ≥98.0% pH Value 5.0~... -
One of Hottest for Carbocistein - 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... -
Factory wholesale N-Acetyl-L-Cysteine; - 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... -
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... -
Special Design for Cysteine Hydrochloride - L-Cysteine Hydrochloride Anhydrous – Boyu
Characteristics: White powder,It has a slight special sour smell, soluble in water, and the aqueous solution is acidic. It is also soluble in alcohol, ammonia and acetic acid, but insoluble in ether, acetone, benzene, etc. It has the characteristics of reducing and anti-oxidation Item Specifications Description White crystals or crystalline power Identification Infrared absorption spectrum Specific rotation[a]D20o +5.7o ~ +6.8o Loss on drying 3.0% ~ 5% Residue ... -
Best Price on Boc-Cys-Oh - 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... -
High Quality Pharma Acetyl Cysteine - N-Acetyl-L-Leucine – Boyu
Item Specifications Appearance White crystals or crystalline powder Infrared Spectrum Infrared absorption spectrum Specific rotation [a]D25° -22.0o ~ -26.0o State of Solution ≥95.0% Loss on drying ≤0.35% Residue on ignition ≤0.10% Chloride (Cl) ≤0.04% Heavy metals(Pb) ≤10ppm Arsenic(As2O3) ≤2ppm Assay 97.50%～102. 50% Uses: as a biochemical reagent Stored: Sealed storage, in a cool ventilated dry place. Protect them from sunshine and rain. Handle with care in order t... -
Good Quality Glycine Food/Feed Grade - 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... -
China wholesale Fetilizer - N-Acetyl-thiazolidine-4-carboxylic acid (Folcisteine) – Boyu
Appearance: white powder crystal Uses: 1.It is a drug that has a protective effect on myocardial ischemia 2. Mainly used in agriculture, pesticide intermediate, is a plant growth regulator, adjusts the osmotic pressure of plant cells, maintains the balance of water and nutrient transportation, promotes seed germination and plant cell division and growth, keeps chlorophyll from loss, and increases fruit setting rate And fruit yield, combined with folic acid, as a biological stimulant for folia...
