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188429-10-9

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188429-10-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188429-10-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,4,2 and 9 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 188429-10:
(8*1)+(7*8)+(6*8)+(5*4)+(4*2)+(3*9)+(2*1)+(1*0)=169
169 % 10 = 9
So 188429-10-9 is a valid CAS Registry Number.

188429-10-9Downstream Products

188429-10-9Relevant articles and documents

An unexpected photoadduct of N-carbomethoxymethylpyrrolidine with a chiral butenolide and benzophenone: X-ray structure and synthetic utility

Santiago De Alvarenga, Elson,Cardin, Christine J.,Mann, John

, p. 1457 - 1466 (1997)

The regio- and stereoselective photoinduced addition of N-carbomethoxymethylpyrrolidine to 5(S)-tert-butyldimethylsiloxymethyl-furan-2(5H)-one in the presence of benzophenone yields 3(R)-[N-diphenylhydroxymethyl)carbomethoxymethylpyrrolidin- 2'-yl]-4(S)-tert-butyldimethylsiloxymethyl)-butan-4-olides (epimeric at C-2'), and we report the X-ray structure of the major adduct together with its conversion into the 1-azabicyclo[4.3.0]-nonane ring system.

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