Carbocisteine NEW
| Price | $120 |
| Package | 1kg |
| Min. Order: | 1kg |
| Supply Ability: | 20ton |
| Update Time: | 2024-11-11 |
Product Details
| Product Name: Carbocisteine | CAS No.: 638-23-3 |
| Min. Order: 1kg | Purity: 99% |
| Supply Ability: 20ton | Release date: 2024/11/11 |
Product Description
| 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 |
Test Item | Specification |
Description | A white or almost white, crystalline powder, particularly insoluble in water and in alcohol. It dissolves in dilute mineral acids and in dilute solutions of alkali hydroxxides. |
Identification | A. It complies with the test for specific optical rotation |
B. The IR spectrum of the sample is concordant with the spectrum of the reference standard, Carbocisteine CRS | |
C. 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) | |
D. Dark red color is produced, which changes to brown and then to yellow within a few minutes | |
pH | 2.8~3.0 |
Specific optical rotation[α]D20 | -32.5° to -35.5°(on dried basis) |
State of solution (Transmittance) | Solution S is clear and colourless Not less than 96.0% |
Nihydrin-positive substances | Not more than 0.5% |
Chloride(Cl) | Not more than 0.15% |
Sulfate(SO4) | Not more than 0.030% |
Heavy metals(Pb) | Not more than 0.001% |
Loss on Drying | Not more than 0.5% |
Sulfated ash | Not more than 0.30% |
Assay | 98.5% ~ 101.0% |
Application
Carbocisteine is a mucus regulator, mainly at the cellular level to affect the secretion of bronchial glands, reduce the production of low viscosity salivary mucin, thus reducing the viscosity of sputum, easy to spit out.
Company Profile
Hebei Zhuanglai Chemical Trading Co.,Ltd. is a foreign trading company, specializing in developing and producing Chemical raw materials, pharmaceutical intermediates.It has its own factory, which procures itself a competitive edge in market.
For many years, our company has won many clients' support and trust because it always strives to make high-quality merchandise with favorable price. It commits itself to satisfy every clients, in return, our customer show great confidence and respect for our company. In spite of so many loyal customers won these years, Hegui keeps modest all the time and strives to better itself from every aspect.
We are looking forward to cooperating with you and having a win-win relationship with you. Please rest assured that we will satisfy you. Just feel free to contact me.
Packing & Shipping
FAQ
Q1. What is your delivery term and delivery period?
We accept FOB, CIF, etc. You can choose the one which is the most convenient or cost effective for you. Competitive price with ready stocks; by Air within 7days, by sea within 14 days shipping after .
Q2. What's your main markets?
South&North America, Europe, Asia, Africa etc. Top customers among more than 80 countries; 30 years history; One-stop supplier.
Q3. What is the payment term?
Normally we advise customers use Trade Assurance(is a free payment protection service for buyers is offered by Alibaba group), and we also receive T/T, Western Union or L/C.
Q4. Will you supply samples for test the quality?
We'd like to offer our customers samples for the quality evaluation for most products to develop business.
Company Profile Introduction
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China- Since: 2024-04-14
- Address: Room 201, Unit 1, Building 10, Huacheng Oasis South District, 169 Shengli South Street, Qiaoxi Distr