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L-Cysteine Cas No.52-90-4

Supplier From China
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Jun-27-22

L-Cysteine, E920, CAS No.52-90-4, a non-essential amino acid manufactured through fermentation. Cysteine is extracted from raw materials of animal and human origins. Cysteine has the same structure as serine, but with one of its oxygen atoms replaced by sulfur.

As an experienced L-Cysteine manufacturer and supplier, we has been supplying and exporting L-Cysteine for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day.

Categories Amino Acids
Qty in 20â??FCL 12000kg
Min Order 500kg
Origin China
Packaging Factory Packaging or Neutral
Certificate ISO, Kosher, Halal, BRC
E No. E920
CAS No. 52-90-4
HS Code 293090
Specification FCC/USP

L-Cysteine Specification
Item Specifications (AJI97 )
Appearance White crystal or crystalline powder; tasteless
Assay, % 98.5~101.0
Specific rotation -218~ -224
Loss on drying, % 0.2
Transmittance, % 98.0
Chloride (as Cl), % 0.02
Sulfate (as SO4), % 0.02
Ammonium as (as NH4), % 0.02
Iron (as Fe), % .001
Heavy Metals (as Pb), % 0.001
Arsenic (as As), % 0.0001
pH Value 5.0~6.5
Residue on ignition, % 0.1
Other amino acid Conforms

Price and Minimum Quantity

Price: $0.95
MOQ: 1000 Kilograms
Standard: L-Cysteine
Production Capacity: 5000 Metric Tonnes
Packaging: 25Kg Bags
Sample: Available. Sample Cost Born By Buyer

Product Model And Origin

Brand: L-Cysteine
Seller Code: 100%
HS Code: 293090

Competitive Advantages

  • L-cysteine

Other Details

  • L-cysteine
  • L-cysteine
  • L-cysteine
  • L-cysteine

Recent User Reviews

Price
02 June, 2023
The price they offered is impossible n it’s too cheap. I doubt if they can really supply at this price
Reviewer: Suchin

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L-Leucine powder, E641, CAS No.61-90-5, essential amino acid manufactured via fermentation from carbohydrate sources. Function and uses:L-leucine supplement used in combination with the other branched chain amino acids( L-isoleucine and L-valine) for patients with hepatic diseases to improve nutritional status. BCAAs uses as fuel sources for skeletal muscle. BCAAs are an important component of sports nutrition and health foods, as they increase energy, enhance endurance and aid in muscle recovery.

As an experienced L-Leucine manufacturer and supplier, we has been supplying and exporting L-Leucine for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day.

Product Description
Categories Amino Acids
Qty in 20 FCL 20000kg
Min Order 500kg
Origin China
Packaging Factory Packaging or Neutral
Certificate ISO, Kosher, Halal, BRC
E Number E641
CAS No. 61-90-5
HS Code 292249
Specification Feed/Food Grade

L-Leucine Specification
Specific rotation +27.6-+29.0
Heavy metals 10ppm
Water content 0.20%
Residue on ignition 0.10%
assay 99.0-100.5%
PH 5.0~6.5
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L-Tyrosine Powder Cas No.60-18-4

$45
MOQ: 1000  Kilograms
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L-Tyrosine powder, CAS No.60-18-4, non-essential amino acid manufactured by extraction from vegetable protein. Do not use materials of animal origin in L-Tyrosine manufacturing process. L-tyrosine is an important factor in regulating mood. L-tyrosine deficiency can lead to poor mood, low blood pressure and low body temperature and associates with Restless Leg Syndrome. Tyrosine can be used in sports nutrition drink, skin care cosmetics and health foods.

As an experienced L-Tyrosine manufacturer and supplier, we has been supplying and exporting L-Tyrosine for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day.

L-Tyrosine Food grade Specification
Name L-Tyrosine
Chemical Formula C9H11NO3
Appearance Cristal blanco o polvo cristalino
Assay 99.0 100.5%
Transmittance Clear, colorless, 95% min
Loss on drying 0.20% max
Residue on ignition 0.10% max
Other ammoniated Meet with the requirements
Chloride 0.020% max
Sulfate 0.020% max
Ammonium 0.020% max
PH 5.0 â?? 6.5
Specific rotation -11.3 -12.1
Heavy metals 0.0010% max
Arsenic 0.0001% max
Iron(Fe) 0.0010% max
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L-Valine Powder, Cas No.72-18-4

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L-Valine powder, CAS No.72-18-4, essential amino acid manufactured by fermentation from carbohydrate sources. No materials of animal origin are used in the production of L-valine. Along with L-leucine and L-isoleucine, is part of the branched chain of amino acids (BCAAs). L-valine is a branched chain amino acid (as are L-isoleucine and L-leucine), which is important for supplying energy to muscles. The branched chain amino acids enhance energy, increase endurance and aid in muscle tissue recovery and repair. Branched chain preparations are used in sports nutrition and health foods.

As an experienced L-Valine manufacturer and supplier, we has been supplying and exporting L-Valine for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day.

Product Description
Categories Amino Acids
Qty in 20' FCL 20000kg
Min Order 500kg
Origin China
Packaging Factory Packaging or Neutral
Certificate ISO, Kosher, Halal, BRC
CAS No. 72-18-4
HS Code 292249
Specification Feed/Food Grade

L-Valine Specification
Specific rotation +27.6-+29.0
Heavy metals 10ppm
Water content 0.20%
Residue on ignition 0.10%
assay 99.0-100.5%
PH 5.0~6.5
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4-Hydroxybenzoic acid

Chemical Name:4-Hydroxybenzoic acid
Trade Name:p-oxybenzoic acid
Molecular Formula:C7H6O3
Molecular Weight:138.12
CAS No.:99-96-7

Properties:white odorless crystalline powder, easily soluble in hot water and alcohols, aethers and acetone,
slightly soluble in cold water and benzene, insoluble in carbon bisulfide; relative density is 1.46
Use: Can be used as antiseptic, intermediate of dyes, pharmaceuticals; as main material of liquid crystal polymers; as material of pesticide intermediate

Specification
Item Specification
Polymer Grade Technical Grade
Appearance white crystal powder white crystal powder
Purity(on dry base) % 99.6 99.0
Melting Point 214-217 212-216
Odor odorless odorless
Solubility Clear and transparent clear and transparent
Loss on Drying % 0.20 0.50
Color(Pt-Co) 10 40
Ash % 0.02 0.15
Sulfate(SO42-) 0.01 0.05
Chloride(Cl-) % 0.005 0.02
Phe% 0.01 0.10
Salicylic Acid % 0.02 0.10
4-Hydroxyisophthalic Acid(HIPA) ppm 500 /
Insolubles in Metha ppm 50 /
Potassium(K+) ppm 5 /
Sodium (Na+) ppm 5 /
Iron (Fe) ppm 5 /
Ca2++Mg2+ppm 5 /
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Commodity: Calcium carbide
Molecular formula:CaC2
Molecule Weight: 64.10
H.S code:28491000
CAS: 75-20-7
UN NO.1402
HAZARD CLASS: 4.3

Application: It is a kind of basic material for organic synthesis, and can produce acetylene gas for cutting and welding, also be material for calcium cyanamide.

Appearance: Grey, black solid, purple when its purity is more than 90%.
Granule:4-25mm / 15-25mm / 25-50mm / 50-80mm /25-80/ 80-120mm

Package: Net in 100kg or 50kg new iron drums with nitrogen.

Specification: GB10665-2004

Specification Superfine Grade First Grade Second Grade
Gas yield(L/kg)L/kg 305 295-305 285-295
PH3 content in acetylene (PH3%) 0.06 0.08 0.08
H2S content in acetylene (H2S%) 0.1 0.1 0.1

Loading weight in 1 x 20fcl:22.5mt
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English name: Calcium Nitrite
Molecular formula: Ca(NO2)2
Molecular weight: 132
CAS NO. 13780-06-8
HS CODE: 28341000
UN NO.: 2627 5.1 type oxidizing agent
Properties: White powder without crystal water. It is tasteless and toxic. Easily in water and presents light yellow solution.

Specifications:
Item Superior grade First grade Second grade
Calcium Nitrite[Ca(NO2)2 as dry basis]% 94 92 90
Calcium Nitrate[Ca(NO3)2 as dry basis]% <4 <5 <6
Calcium hydroxide[Ca(OH)2 as dry basis]% <1.0 <1.0 <1.0
Moisture % <1.0 <1.0 <1.0
Water insoluble matter % <0.6 <1.0 <1.0

Uses:
1. Antifreezing agent.
2. Inhibitor of steel in concrete.
3. Can prepare compound early strength agent.
Packing 25/50/1000KG woven bag lined with plastic or according to customer's requirements.

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