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187347-95-1

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187347-95-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 187347-95-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,3,4 and 7 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 187347-95:
(8*1)+(7*8)+(6*7)+(5*3)+(4*4)+(3*7)+(2*9)+(1*5)=181
181 % 10 = 1
So 187347-95-1 is a valid CAS Registry Number.

187347-95-1Downstream Products

187347-95-1Relevant articles and documents

A novel route to imidoylbenzotriazoles and their application for the synthesis of enaminones

Katritzky, Alan R.,Hayden, Amy E.,Kirichenko, Kostyantyn,Pelphrey, Phillip,Ji, Yu

, p. 5108 - 5111 (2007/10/03)

Reactions of secondary amides 2a-i with 1-chloro-1H-benzotriazole and triphenylphosphine give imidoylbenzotriazoles 3a-i. The treatment of 3a,b,e,g with silyl enol ethers 5a,b in the presence of potassium tert-butoxide provides a new general approach to enaminoketones 6a-h.

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