- Min.Order :1 Kilogram
- Purity: 99.9%
- Payment Terms : L/C,D/A,D/P,T/T,
Keywords
Letrozole 112809-51-5 Letoval
Quick Details
- Appearance:light yellow crystalline powder
- Application:Pharmaceutical intermediates
- PackAge:1kg/bag,seald package or at customer request
- ProductionCapacity:10|Metric Ton|Month
- Storage:Sealed container
- Transportation:Sealed container at cool&dry place
Superiority:
1. Advanced Factory Building and Equipment
2. Competent technical team
3 .Strong R & D support
4,high quality products with high stability
5, Competitive price
5.Customer tailored service
Details:
Product name: Letrozole
Synonyms:4,4'-(1H-1,2,4-triazol-1-ylmethylene) bis-Benzonitrile
CAS NO.:112809-51-5
Molecular Formula:C17H11N5
Molecular weigh:285.31
Specification:
Letrozole - Treatment for breast caner .
|
ANALYSIS |
SPECIFICATIONS |
RESULTS |
|
Assay |
98.0-102.0% |
99.8% |
|
CHEMICAL CONTROL |
||
|
Identification
|
IR HPLC UV |
conform with standard IR conform conform |
|
Related substances |
|
|
|
Related substances A |
0.3%(max) |
0.07% |
|
any other impurity |
0.1%(max) |
0.03% |
|
all other impurities |
0.3%(max) |
0.07% |
|
Organic volatile impurities |
Conforms with ICH requirements |
|
|
Residual solvents |
||
|
dichloromethane |
Nmt 600ppm |
complies |
|
Methanol |
Nmt 3000ppm |
complies |
|
Acetone |
Nmt 5000ppm |
complies |
|
ethanol |
Nmt 5000ppm |
complies |
|
PHYSICAL CONTROL |
||
|
Description |
White to yellowish, crystalline powder |
Complies |
|
Water by KF |
0.3%(max) |
0.13% |
|
Residue on ignition |
0.1%(max) |
0.04% |
|
Heavy metals |
0.001%(max) |
Complies |
|
|
||
|
STORAGE |
Cool and dry |
|
|
SHELF LIFE |
24 months
|
|
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