Samin Chemical Co., Ltd.

S-Carboxymethyl-L-Cysteine

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Samin Chemical Co., Ltd.
[Korea]

Address
1-Da-509, Shiwha Industrial Zone, 1251-8, Jungwang-dong Shiheung-si Gyeonggi-do
Phone
82-31-4318054
Contact name
Seong-cheol, Joo

Quick Information

  • Model Number : NO-05

Description

Features

  • S-Carboxymethyl-L-Cysteine
  • (R)-2-Amino-3-[(carboxymethyl)thio]propionic acid
  • CAS No : 638-23-3, C 5 H 9 NO 4 S : 179.20, Nitrogen : 7.82%
  • S-Carboxymethyl-L-Cysteine, when dried, contains not less than 98.5 percent and not more than 101.0 percent of S-Carboxymethyl-L-Cysteine (C 5 H 9 NO 4 S).

Application

Medical

Description

White crystals or crystalline powder; slightly acid taste. Very slightly soluble in water, practically insoluble in ethanol and in glacial acetic acid and in ether. Dissolves in dilute hydrochloric acid and sodium hydroxide T.S..

Identification

Compare the infrared absorption spectrum of the sample with that of the standard by potassium bromide disc method

Packing

25kg, 50kg fiber drum

Storage

Cool and dark place

Specification

Item
Limit

Assay

98.5 to 101.0%

State of solution (Transmittance)

clear and colorless
not less than 98.0%

Specific rotation [ α ]n D 20

-33.5 to -36.5

pH

2.5 to 3.5

Ammonium (NH₄)

not more than 0.02%

Chloride (Cl)

not more than 0.039%

Sulfate (SO₄)

not more than 0.02%

Arsenic (As₂ O₃)

not more than 1 ppm

Iron (Fe)

not more than 30 ppm

Heavy metals (Pb)

not more than 10 ppm

Other amino acids

conforms

Loss on drying

not more than 0.3%

Residue on ignition(sulfated)

not more than 0.10%


Product Image

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