Carbocistein paramete

CAS No.: 638-23-3
Place of Origin: Shandong, China
Purity: 99.0%min, 99%min
Model Number: CAS 638-23-3
Appearance: White Powder, White powder
Packing: 25kg / drum
Origin: China mainland
Other Names: S-carboxymethyl-L-cysteine
EINECS No.: 211-327-5
Type: Pharmaceutical Intermediates
Brand Name: Lookchemical
Application: Pharm Intermediates
Product name: Carbocistein
Stock: Massive stock
Storage: Hygroscopic, -20°C Freezer, Under Inert Atmosphere
Capacity: 100MT/month


1.Used for biochemical research and as a mucus-dissolving drug.

2.Sticky phlegm dissolving drug, occasionally mild dizziness, nausea, stomach discomfort, diarrhea, gastrointestinal bleeding, rash and other adverse reactions. Use with caution in patients with digestive tract.

3.The product is a mucus dissolving agent, expectorant and anti-nasal infection drug.

4.It is mainly used for the treatment of chronic bronchitis, bronchial asthma and other diseases caused by viscous sputum, sputum difficulty and sputum obstruction trachea and other diseases


Test Item Specification: European Pharmacopoeia 7TH
Description A white, crystalline powder, practically insoluble in water, in alcohol and in ether. It dissolves in dilute mineral acids and in dilute solutions of alkali hydroxides.
Identification Test A (Specific Optical rotation)

It complies with the test for specific optical rotation.

Test B(IR) The IR spectrum of the sample is concordant with the spectrum of the reference standard, Carbocisteine CRS.
Test C(TLC) The principal spot in the chromatogram obtained with the test solution (b) is similar in position, color and size to the principal spot in the chromatogram obtained with the reference solution(a)
Test D(Chemical reaction)

. Dark red color is produced, which changes to brown and then to yellow within a few minutes.

pH 2.8 ~3.0
specific rotation [α]D 20 -32.5° ~ -35.5°
State of solution (Transmittance) Solution S is clear and colourless Not less than 95.0%
Ninhydrin-positive substances Not more than 0.5%

Not more than 0.15%

Sulfate(SO4) Not more than 0.03%
Heavy metals(Pb) Not more than 0.001%
Loss on Drying Not more than 0.5%
Residue on ignition(sulfated) Not more than 0.3%

98.5% ~ 101.0 %


The warehouse is ventilated and dry at low temperature

Product service

1. Certificate Of Analysis (COA)

2. Material Safety Data Sheet (MSDS)

3. Route of synthesis (ROS)

4. Method of Aanlysis (MOA)

5. Nuclear Magnetic Resonance (NMR)

6. Packing pictures and loading video before loading

7. Free Sample

8. Factory audit

Reviews (0)
0 ★
0 Ratings
5 ★
4 ★
3 ★
2 ★
1 ★

There are no reviews yet.

Be the first to review “Carbocistein 638-23-3”

Your email address will not be published. Required fields are marked *

Scroll To Top

My Cart

Shopping cart is empty!

Continue Shopping