CasNo.638-23-3,High Quality Carbocistein,(638-23-3) Suppliers

1 Gram	FOB Price: USD 1.0000

Min.Order :1 Gram
Purity: 98% HPLC
Payment Terms : L/C,D/A,D/P,T/T,,MoneyGram

Keywords

638-23-3 Carbocistein Carbocistein Price

Quick Details

Appearance:White powder
Application:pharmaceutical intermediates
PackAge:1kg or 25Kg drum
ProductionCapacity:3000|Metric Ton|Year
Storage:Store in dry, dark and ventilated place
Transportation:By air or by sea. Prompt delivery

Superiority:

Qingdao Sigma Chemical Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, peptide,Nootropis etc API, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.

Our Laboratory is located in shandong province. There are 15 experts in our research team. Talented personnel and well-equipped laboratory makes rigorous and professional quality control possible. Lyphar Biotech is equipped with various detection devices, such as HPLC, GC, Spectrophotometer, AAS, Polarimeter, Auto titrators, BOD Incubators, COD Incubators, Melting point apparatus and so on.

The aim of QDSIGMA is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.

QDSIGMA has become the "Top 500 Chinese manufacturing companies","Top 20 of global chemical sales".QDSIGMA has 21 subsidiaries and holding companies.

We promise our customer following items

1.Reasonable price:
2.Low moq:No worry about the low moq, our moq is 1 gram or lower.
3.Good and efficient service,Fast Delivery
4.Super-good quality

Details:

Specifciation:

1.Competitive price
2.Fast Delivery Within 2 days
3.SGS , BV, GMP,ISO approve
4.Professional factory

Product Name	S-carboxymethyl-L-cysteine
CAS number	638-23-3
Molecular formula	C5H9NO4S
Molecular weight	179.19
Appearance	white to slightly off-white amorphous powder
Melting point	205-207ºC
Flash point	191.8ºC
Relative density	1.451g/cm3

Functions

Hair finishing agent and adjusting agent, it can resist acne.
It can be used in the curing of chronic tracheitis, emphysema, pulmonary.

Analysis

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%
Chloride(Cl)		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%
Assay		98.5% ~ 101.0 %