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1174172-55-4

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1174172-55-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1174172-55-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,4,1,7 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1174172-55:
(9*1)+(8*1)+(7*7)+(6*4)+(5*1)+(4*7)+(3*2)+(2*5)+(1*5)=144
144 % 10 = 4
So 1174172-55-4 is a valid CAS Registry Number.

1174172-55-4Downstream Products

1174172-55-4Relevant articles and documents

Enantioselective Michael Addition of Pyrroles with Nitroalkenes in Aqueous Media Catalyzed by a Water-Soluble Catalyst

Gui, Yang,Li, Yanan,Sun, Jianan,Zha, Zhenggen,Wang, Zhiyong

, p. 7491 - 7499 (2018/06/19)

A new water-soluble catalytic system was developed and used in an enantioselective Michael addition of pyrroles with nitroalkenes in water to afford nitroethylpyrrole derivatives with both excellent yields and ee values.

Asymmetric Friedel-Crafts reaction of N-heterocycles and nitroalkenes catalyzed by imidazoline-aminophenol-Cu complex

Yokoyama, Naota,Arai, Takayoshi

supporting information; experimental part, p. 3285 - 3287 (2009/12/01)

Catalytic asymmetric Friedel-Crafts reaction of pyrrole with nitroalkenes was smoothly catalyzed by newly synthesized nitro-substituted imidazoline-aminophenol (1b)-Cu complex to give the adduct with up to 92% ee.

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