Factory Supply CAS 52-90-4 L- Cysteine in Stock

China Factory Supply CAS 52-90-4 L-Cysteine in Stock, Find details about China N Acetyl Cysteine, Cysteine Hydrochloride from Factory Supply CAS 52-90-4 L-Cysteine in Stock

Model NO.
L-Cysteine
Product Name
L-Cysteine
Delivery
Express 5-7 Days Arrive
Other Name
Cysteine Hydrochloride
Key Word
L-Cysteine HCl
Content
Pure L-Cysteine
MOQ
1kg
Appearance
White Powder
Stock
Sufficient
CAS
52-90-4
Trademark
L-Cysteine
Transport Package
Express
Specification
Pure L-Cysteine
Origin
China
Model NO.
L-Cysteine
Product Name
L-Cysteine
Delivery
Express 5-7 Days Arrive
Other Name
Cysteine Hydrochloride
Key Word
L-Cysteine HCl
Content
Pure L-Cysteine
MOQ
1kg
Appearance
White Powder
Stock
Sufficient
CAS
52-90-4
Trademark
L-Cysteine
Transport Package
Express
Specification
Pure L-Cysteine
Origin
China
Factory Supply CAS 52-90-4 L-Cysteine in Stock

Non-GMO

Gluten Free

Dairy Free

No artificial colors or flavors

Clean & Pure Powder. No Fillers

Lab Tested for Verification & Guaranteed Purity

From our plant to your door step

 

 

Factory Supply CAS 52-90-4 L-Cysteine in Stock

Product name

L-Cysteine 

CAS

52-90-4

Appearence

White Crystal Powder

MF

C3H7NO2S

MW

121.15

Purity

98%min

Melting point

240 °C (464 °F; 513 K)

Loss on drying

0.5% or less

L - cysteine is a kind of biological common amino acids in the body.As one of the alpha sulfur amino acids, encounter nitroprusside (nitroprusside) purple color (SH), found in many proteins, glutathione, and Ag +, Hg + and Cu + of metal ion can form insoluble mercaptide (mercapti - DE).R - S - M ', R - S - M "- S - R (M ', M" 1, 2 valence metal price).

L-Cysteine is an amino acid common in vivo, can be transformed from the body of methionine, cystine can be transformed with each other.

Factory Supply CAS 52-90-4 L-Cysteine in Stock

1. L-Cysteine has an effective detoxification.

2. L-Cysteine can effectively prevent and treat radiation injury.

3. L-Cysteine can remove the skin melanin itself, change the nature of the skin itself, the skin becomes natural whitening. It is a kind of ideal natural whitening cosmetics.

4. L-Cysteine can improve the symptoms of inflammation and skin allergies.

5. L-Cysteine on horny skin disease is also effective hypertrophy.

6. L-Cysteine has a function to prevent biological aging.

7.Cysteine is a kind of natural amino acid, has many uses in food processing, it is mainly used for baking products, as a necessary component of dough improver

8.Cysteine is a kind of reductant, it can promote the formation of gluten, reduce the time needed for mixing and the energy required for medicinal, cysteine by changing the protein molecules and protein molecules between the internal disulfide bond, weaken the structure of the protein, this protein is stretched.

 

 

Factory Supply CAS 52-90-4 L-Cysteine in Stock
ITEM
SPECFICATION
METHOD
Assay
97.7%-100.5%
USP
Characters
White crystalline powder
Visual
Identification
IR
Match with the reference IR spectrum
UPS
Specific optical rotation
+89°-+93°
USP
Reaction time
Be similar to the reference solution
USP
Loss on drying
≤0.4%
USP<731>
Related substances
Any impurity
≤1.0%
USP
Total impurities
≤2.0%
USP
Microbial Test
Total Plate Count
<1000cfu/g
USP<61>
Yeast & Mold
<100cfu/g
USP<61>
Escherichia coli
Negative/g
USP<62>
Staphylococcus aureus
Negative/g
USP<62>
Pseudomonas aeruginosa
Negative/g
USP<62>
Entericbacteria
Negative/g
USP<62>
Salmonella
Negative/10g
USP<62>

Factory Supply CAS 52-90-4 L-Cysteine in StockFactory Supply CAS 52-90-4 L-Cysteine in Stock