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Home > Products >  L(+)-Cysteine USP/Ep/Bp Grade High Quality L-Cysteine CAS 52-90-4

L(+)-Cysteine USP/Ep/Bp Grade High Quality L-Cysteine CAS 52-90-4 CAS NO.52-90-4

  • FOB Price: USD: 0.02-0.03 /Kilogram Get Latest Price
  • Min.Order: 1 Gram
  • Payment Terms: L/C,D/A,D/P,T/T,MoneyGram,Other
  • Available Specifications:

    Top(1-1000)KilogramTop(1000-3000)Kilogram

  • Product Details

Keywords

  • L(+)-Cysteine
  • L-Cysteine
  • S-P-METHYLBENZYL-L-CYSTEINE

Quick Details

  • ProName: L(+)-Cysteine USP/Ep/Bp Grade High Qua...
  • CasNo: 52-90-4
  • Molecular Formula: C3H7NO2S
  • Appearance: White to off-white powder
  • Application: 1. Bread improver; Nutritional supplem...
  • DeliveryTime: 3-7days
  • PackAge: bag or barrel or drum
  • Port: Shanghai or Shenzhen or Qingdao
  • ProductionCapacity: 6000 Kilogram/Day
  • Purity: 99%+
  • Storage: Store at room temperature
  • Transportation: by express or air or sea
  • LimitNum: 1 Gram
  • Related Substances: <0.001%
  • Residue on Ignition: <0.001%
  • Assay: 99%+
  • Appearance: White Powder
  • Shelf Life: 2 years

Superiority

1, We offer competitive factory price for both wholesalers and retailers.
2, Fast reply for inquiries.
3, Stable Quality, high purity.
4, We offer EXW/FOB/CFR/DAP/DDP trade terms for your option.
5, Fast Delivery for shipment and Safe for destination custom clearance.
6, Free samples.
7, Free custom clearance with freight prepaid, delivery door to door.
8, More than 22 years export experience in this field.

Melting point  220 °C (dec.)(lit.)
alpha  8.75 º (c=12, 2N HCl)
Boiling point  293.9±35.0 °C(Predicted)
density  1.197 (estimate)
FEMA  3263 | L-CYSTEINE
refractive index  8.8 ° (C=8, 1mol/L HCl)
storage temp.  Store at RT.
solubility  H2O: 25 mg/mL
pka 1.92(at 25ºC)
form  Solid
color  White

English name: L-Cysteine CAS Number: 52-90-4 Molecular formula: C3H7NO2S Molecular weight: 121.16 EINECS No.: 200-158-2 Melting point: 240°C(dec.)(lit.) Specific rotation: 8.75º (c=12, 2NHCl) Boiling point: 293.9±35.0°C (Predicted) Density: 1.197 (estimate) FEMA:3263|L-CYSTEINE Refractive index: 8.8°(C=8,1mol/LHCl) Storage conditions: Store below +30°C. Solubility:H2O:25mg/mL Acidity coefficient: (pKa) 1.92 (at25℃) Form:Solid Color:White PH value: 4.5-5.5 (100g/l, H2O, 20℃) Optical rotation: (opticalactivity)Opticalrotation:+8°to+9°(c=5,1NHCl,20°C). Water solubility: 280g/L (25ºC) Maximum wavelength: (λmax)λ:260nmAmax:1.5λ:280nmAmax:0.2 Sensitivity: Ai rSensitive Merck: 14,2781

1. Bread improver; Nutritional supplement; Antioxidant; Color retention agent. It has a detoxification effect on acrylonitrile and aromatic acidosis; it has the effect of preventing radiation damage; it has the effect of treating bronchitis and reducing phlegm; it has the effect of absorbing alcohol and converting it into acetaldehyde in the body.

2. For the treatment of eczema, urticaria, freckles and other skin diseases, its series of products are widely used in the pharmaceutical, food and cosmetic industries

3. It is used for biochemical research and medicinally as an antidote for hepatitis, liver poisoning, radiopharmaceutical poisoning, antimony poisoning, etc.

4. Mainly used in medicine, cosmetics, biochemical research and so on. Used in bread to promote the formation of gluten, promote fermentation, mold release, prevent aging, etc. Used in natural juices to prevent oxidation of vitamin C and prevent juice from browning. This product has detoxification effect and can be used for acrylonitrile poisoning and aromatic acid poisoning. This product also has the effect of preventing radiation damage to the human body, and is also a drug for the treatment of bronchitis, especially as a phlegm-relieving drug (mostly used in the form of acetyl L-cysteine ??methyl ester. Cosmetics are mainly used in beauty water, Hair perm, sunscreen cream, etc.

5. Widely used in medicine, food and cosmetics industries. 6. Mainly used in medicine, cosmetics, biochemical research and so on. It is used in bread to promote the formation of gluten, promote fermentation, mold release, and prevent aging. For the treatment of eczema, urticaria, freckles and other skin diseases. 7. NMDA glutamate receptor agonists

Details

Wuhan Kanal Technology Co., Ltd. founded in 2010,it is a large manufacturer of fine Pharmaceutical& Chemical & Cosmetic materials that integrates R&D, production and sales together.  Our Kanal company is established under the support of the Wuhan city government, so Kanal has large advantages in enterprise credit, finance security, product quality control, and cargo export.Kanal locates in the national new materials industry park of Wuhan city and is awarded the title of high-tech corporation.

Wuhan Kanal has its own R&D and development laboratory. We Kanal set up a R&D team with rich experience and strong technical strength, most of the practitioners have more than ten years' experience and technology in organic synthesis development. It owns almost 15 acre and more than 280 workers.

An ISO 9001 & GMP qualified company, we are mainly specialized in producing high quality but low price Pharmaceutical intermediates, APIs and other fine chemicals & cosmetics products which related to human and animals medicines as well as additives in gas &oil field, almost half of the goods are for exporting. What's more, we provide the OEM (customize) manufactures, if you can't find materials from the world, then tell us, we will research and produce in our high-tech equipmented laboratory. We are dedicated to satisfying our customers with our products and services.


1. We has 11 years' exporting experience in active pharmaceutical ingredient products.
Our professional and thoughtful after-sales service eliminates your worries.

2.We can provide you with ten thousands of products of different levels.

3. We offer convenient one-station purchasing service.

(1)Any inquiries will be replied within 12 hours.
(2)Dedication to quality, supply & service.
(3)Strictly on selecting raw materials.
(4)Reasonable & competitive price, fast lead time.

Our company is based on the optical valley biological city,making full use of the park policy advantages, focusing on the research and development of biological medicine.

The pharmaceutical intermediates are mainly applied to anti-cancer, anti-depression, cardiovascular, diabetes and other new medicine. The chemical intermediates mainly refer to heterocyclics and OLED intermediates.Our factory produce new fine chemical materials which are mainly used in water treatment, bactericidal and anti-corrosion, dyes, electronic materials and other industry fields.
Wuhan Kanal has export & import license, and hazard chemical sales license. The products are exported to America, Brazil, South Korea, Japan, Taiwan, Malaysia, Thailand, Indonesia, Europe union and other countries or regions. 
Under rich experiences and excellent international reputation, the company becomes a quite influential enterprise in China's API field. Wuhan Kanal sincerely look forward to establishing long good cooperation with our customers from all over the world.

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