China (Mainland)
High Quality Carbocistein CAS NO.638-23-3
- FOB Price: USD: 1.00-1.00 /Gram Get Latest Price
- Min.Order: 1 Gram
- Payment Terms: L/C,D/A,D/P,T/T,MoneyGram
- Available Specifications:
1(1-2)Gram
- Product Details
Keywords
- 638-23-3
- Carbocistein
- Carbocistein Price
Quick Details
- ProName: High Quality Carbocistein
- CasNo: 638-23-3
- Molecular Formula: C5H9NO4S
- Appearance: White powder
- Application: pharmaceutical intermediates
- DeliveryTime: Qingdao Port
- PackAge: 1kg or 25Kg drum
- Port: QIngdao Port
- ProductionCapacity: 3000 Metric Ton/Year
- Purity: 98% HPLC
- Storage: Store in dry, dark and ventilated plac...
- Transportation: By air or by sea. Prompt delivery
- LimitNum: 1 Gram
- Moisture Content: See data sheet
- Samples: Available
Superiority
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 |
Hair finishing agent and adjusting agent, it can resist acne.
It can be used in the curing of chronic tracheitis, emphysema, pulmonary.
|
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 % |
|
