S-Carboxymethyl-L-Cysteine on hot sellin ghigh quality 638-23-3 producer

Min.Order / FOB Price:Get Latest Price

1 Kilogram	Negotiable

1 Kilogram

Negotiable

Min.Order :1 Kilogram
Purity: 99.8%
Payment Terms : L/C,T/T,

Keywords

S-Carboxymethyl-L-Cysteine on hot selling high quality S-Carboxymethyl-L-Cysteine 638-23-3 producer

Quick Details

Appearance:White crystals powder
Application:CAS:638-23-3
PackAge:25kg/drum
ProductionCapacity:15000|Kilogram|Year
Storage:Cool and dry place
Transportation:by sea or air, express for small quantity

Superiority:

Product name: S-Carboxymethyl-L-Cysteine

CAS No.：638-23-3

Molecule Formula：C₅H₉NO₄S

Molecule Weight：179.1943

Purity: 99.8%

Package: 25kg/drum

Description：White or almost white crystalline

Manufacture Standards：USP/EP

Items	Specifications	Results
Appearance	White crystals powder	Conforms
Transmittance	≥98.0%	98.5%
Specific rotation	-32.5~-35.5°	-34.6°
Chloride(Cl)	≤0.15%	＜0.04%
Sulfate(SO₄)	≤0.03%	＜0.02%
Heavy metals(Pb)	≤10ppm	＜10ppm
Arsenic(As)	≤1ppm	＜1ppm
Ninhydrin-positive substances	≤0.50%	＜0.5%
Loss on drying	≤0.50%	0.2%
Residue on ignition	≤0.30%	0.05%
PH	2.8~3.0	2.8
Assay	98.5%~101.5%	99.8%
Conclusion: The Product Conforms to USP/EP.

Details:

Siwei Development Group Ltd. is a reputed professional enterprise in China dedicated to the Amino Acids production and sales of fine chemical products.Over the years we have been making meticulous efforts in the production, research and development of new generation chemicals applied in a variety of industries like amino acids, food additive, pharma grade raw materials and so on. With many years industry experience, Siwei is one of the amino acids suppliers and exporters in China, serving bulk powder to industries like dietary supplement, nutritional supplement, functional food and drink.Health is more valuable than wealth. In the tenet of concern for human's life quality. Siwei devotes itself to manufacturing amino acids, which are the necessities for human health.

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