China (Mainland)
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Good quality Ethyl 4-(1-Methyl-5-nitro-1H-benzo[d]imidazol-2-yl)butanoate CAS NO.3543-72-4
- Min.Order: 1 Kilogram
- Payment Terms: L/C,D/A,D/P,T/T,
- Product Details
Keywords
- Bendamustine
- 1-Methyl-5-nitro-1H-benzimidazole-2-butanoic acid ethyl ester
- 3543-73-5
Quick Details
- ProName: Good quality Ethyl 4-(1-Methyl-5-nitro...
- CasNo: 3543-72-4
- Molecular Formula: C14H17N3O4
- Appearance: detailed see specifications
- Application: An important raw material and interme...
- DeliveryTime: Check with us according to inquiry qua...
- PackAge: Aluminium Foil Bag
- Port: Hangzhou or Shanghai
- ProductionCapacity: 1 Metric Ton/Month
- Purity: 99%min
- Storage: Stored in a cool and dry well-closed ...
- Transportation: by air or sea
- LimitNum: 1 Kilogram
Superiority
| Name | 1-Methyl-5-nitro-1H-benzimidazole-2-butanoic acid ethyl ester |
| Molecular Formula | C14H17N3O4 | |
| Molecular Weight | 291.30 | |
| CAS Registry Number | 3543-72-4 |
HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture.
With about ten years of business experiences on the marketing & distribution, thinkchem specializes in exporting pharmaceuticals, veterinary drugs, feed additives, intermediates, fine chemicals, plants extracts, pesticides, food & nutrition additives.
Thinkchem is good at offering excellent outsourcing services to overseas customers as well as laboratory support.
Custom manufacture
Thinkchem is good at offering contract manufacture and custom synthesis under confidential agreement timely and effectively, and providing sales service from grams ,kilograms to multi-tons particularly for pharmaceuticals and their intermediates discovery and development. Thinkchem is equipped with modern lab apparatus including HPLC, GC. TLC AND NMR, motivated by a team of highly qualified personnel using these equipments.
Staff
Thinkchem is composed of chemical technicians, analytical chemists, organic chemists, and chemical engineers educated in leading universities in china. Our staff is supported by a group of consultants from academia with expertise in chemical synthesis and analytical chemistry.
Details
|
Items |
Specification |
Result |
Conclusion |
|
Appearance |
white or off white crystal powder |
white crystal powder |
Conforms |
|
Identification |
|
|
|
|
（1） |
HPLC conforms to the retention time of RS |
Conforms |
Conforms |
|
（2） |
IR chromatograph Conforms to characteristic peak of RS |
Conforms |
Conforms |
|
（3） |
Positive reaction |
Positive reaction |
Conforms |
|
PH |
4.5 ～ 6.0 |
5.2 |
Conforms |
|
Specific rotation |
-93º ～ -103º |
-98.3º |
Conforms |
|
Appearance of solution |
Conforms |
Clear, Colorless |
Conforms |
|
Related substances |
|
|
|
|
RS-isomer |
≤0.5% |
0.08% |
Conforms |
|
Total impurities |
≤1.0% |
0.21% |
Conforms |
|
Organic volatile impurities |
|
|
|
|
Hexane |
≤0.029% |
Not detected |
Conforms |
|
Methanol |
≤0.3% |
Not detected |
Conforms |
|
Ethanol |
≤0.3% |
0.07% |
Conforms |
|
Tetrahydrofuran |
≤0.072% |
Not detected |
Conforms |
|
Toluene |
≤0.089% |
Not detected |
Conforms |
|
Chloroform |
≤0.006% |
0.0003% |
Conforms |
|
Residue on ignition |
≤0.2% |
0.08% |
Conforms |
|
Loss on drying |
≤1.0% |
0.23% |
Conforms |
|
Heavy metals |
≤20 ppm |
＜20 ppm |
Conforms |
|
Assay(C19H24N2O·HCl，calculated on the dried substance) |
≥98.5% |
99.8% |
Conforms |
1. Well-trained professional sales team dedicated to source, audit and export.
2. Well-trained R & D team equipped with new knowledge, new ideas and new insights to support product development and innovation.
3. Well-established partnership with major pharmaceutical and chemical companies in china.
4. Wide range of products and efficient regulatory documentation offered to customers.
