Carbocistein
638-23-3

94790-37-1
HBTU
94790-37-1
11/01/2021
99-15-0
Acetylleucine
99-15-0
11/01/2021

Carbocistein paramete


CAS No.:638-23-3
MF:C5H9NO4S
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
MOQ:1KG
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

Application


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

Specifications


Test ItemSpecification: European Pharmacopoeia 7TH
DescriptionA 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.
IdentificationTest 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.

pH2.8 ~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 substancesNot 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 DryingNot more than 0.5%
Residue on ignition(sulfated)Not more than 0.3%
Assay

98.5% ~ 101.0 %

Storage

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

Service


Pre-Sales Service


* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Every batch of products will be tested to ensureits quality.

* Sample testing support.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.

After-Sales Service


* Any questions about the product can be consulted at any time.

*The fact of logistics information monitoring.

*Product has any problem can return.

Superiority:


* The series of natural extracted product are all self-developed, produced and tested. Mature production technology, strict cost control, and perfect quality assurance system, ensure the product stability and competitive price.
* We have clients throughout the world.
* Professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet your desire.
* Market feedback and goods feedback are appreciated, meeting customers's requirement is our responsibility.
* High quality, competitive price, fast delivery, first-class service gain the trust and praise from the customers.

Shipping



Secure and discreet shipment. You have various choices of transportation methods.

1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

FAQ

Q1: Do you accept sample order?
A:  We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
Q2:  What information should I let you know if I want to get a quotation
A :  Quality you require, eg. Assay, Purity, or single impurity -Quantity you need -Standard you want, such as USP, EP, JP etc.
Q3: What’s your MOQ?
A :  Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q4: Do you supply product report?
A : Yes. We'll give you product analysis report before shipping.
 Q5: What is our advantage?
A : The series of natural extracted product are all self-developed, produced and tested. Mature production technology, strict cost control, and perfect quality assurance system, ensure the product stability and competitive price.
Q6: When will you deliver the goods
A :  For sample(less than 1kg), in about 3 working days after payment; for larger orders (more than 1kg), in about 7 working days after payment.
Q7: How to confirm the Product Quality before placing orders?
A :  You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

Carbocistein picture

Packaging and shipping



25kg/ drum. or according to your demand.

Honor Certificate

Professional team