| Place of Origin: | China |
|---|---|
| Brand Name: | Senwayer Brand |
| Certification: | ISO, 9001, USP |
| Model Number: | 643-22-1 |
| Minimum Order Quantity: | 10grams |
| Price: | Discount is possible if your order is big enough |
| Packaging Details: | 10g, 20g, 50g , 100g, 500g. 1kg, 10kg |
| Delivery Time: | within 2 working days |
| Payment Terms: | T/T in advance, Money Gram, Western Union, Bank Transfer. |
| Supply Ability: | 1000kg/month |
| CAS: | 643-22-1 | Alias: | Erythromycin Stearate |
|---|---|---|---|
| Apparence: | Almost White Crystalline Powder | Purity: | 99% |
| Stock: | Enough Stock | Grade: | Pharma Grade |
| High Light: | Erythromycin Stearate CAS 643-22-1,Erythromycin Stearate Pharmaceutical Intermediate,Pharmaceutical Intermediate CAS 643-22-1 |
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Pharmaceutical Intermidate Erythromycin Stearate CAS 643-22-1 Powder
Quick detail
Product Name: Erythromycin stearate
Alias: stearate (salt),abboticine,bristamycin,dowmycin e,erypar,erythrocin stearate,erythromycin stearate,erythromycin stearic acid salt,erythromycin, octadecanoate (salt)
CAS NO.: 643-22-1
Molecular formula: C37H67NO13.C18H36O2
Molecular weight: 1018.40
Apperance:white or almost white crystalline or powder
Use:It is a kind of antibiotics, used for the trement of penicillin-resistant staphylococcus infection
Description
Estrone (E1, and also oestrone) is an estrogenic hormone secreted by the ovary as well as adipose tissue with the chemical name of 3-hydroxyestra-1,3,5(10)-triene-17-one and the chemical formula C18H22O2. Estrone is an odorless, solid crystalline powder, white in color with a melting point of 254.5 °C and a specific gravity of 1.23.Estrone is one of several natural estrogens, which also include estriol and estradiol. Estrone is the least abundant of the threehormones; estradiol is present almost always in the reproductive female body, and estriol is abundant primarily duringpregnancy.
COA
|
ITEMS |
LIMIT |
|
Characters |
White,crystalline powder |
|
Identification |
To comply |
|
Free stearic acid |
≤14.0%(w/w) |
|
Related substances |
To comply |
|
Water |
≤4.0%w/w |
|
Sulphated ash |
≤0.5%w/w |
|
Assay(Erythromycin A.B.C) |
≥60.5% |
|
(Erythromycin B) |
≤5.0% |
|
(Erythromycin C) |
≤5.0% |
Usage:
Uses oil lubricant, plasticizer, solvent
Uses Macrodiles antibacterial
Uses Semi-synthetic macrolide antibiotic. Antibacterial
