Good quality Ethyl ...

Good quality Ethyl 4-(1-Methyl-5-nitro-1H-benzo[d]imidazol-2-yl)butanoate
Good quality Ethyl 4-(1-Methyl-5-nitro-1H-benzo[d]imidazol-2-yl)butanoate

Good quality Ethyl 4-(1-Methyl-5-nitro-1H-benzo[d]imidazol-2-yl)butanoate

Min.Order / FOB Price:Get Latest Price

1 Kilogram

Negotiable

  • Min.Order :1 Kilogram
  • Purity: 99%min
  • Payment Terms : L/C,D/A,D/P,T/T,

Keywords

Bendamustine 1-Methyl-5-nitro-1H-benzimidazole-2-butanoic acid ethyl ester 3543-73-5

Quick Details

  • Appearance:detailed see specifications
  • Application: An important raw material and intermediate used in Organic Synthesis, Pharmaceuticals
  • PackAge:Aluminium Foil Bag
  • ProductionCapacity:1|Metric Ton|Month
  • Storage: Stored in a cool and dry well-closed container. Keep away from moisture and strong light/heat.
  • Transportation:by air or sea

Superiority:

Ethyl 4-(1-Methyl-5-nitro-1H-benzo[d]imidazol-2-yl)butanoate[CAS:3543-72-4]
Ethyl 4-(1-Methyl-5-amino-1H-benzo[d]imidazol-2-yl)butanoate[CAS:3543-73-5]
 
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:

Ethyl 4-(1-Methyl-5-nitro-1H-benzo[d]imidazol-2-yl)butanoate[CAS:3543-72-4]
Ethyl 4-(1-Methyl-5-amino-1H-benzo[d]imidazol-2-yl)butanoate[CAS:3543-73-5]
 

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.

 

 

 

 

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