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146197-51-5

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146197-51-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 146197-51-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,1,9 and 7 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 146197-51:
(8*1)+(7*4)+(6*6)+(5*1)+(4*9)+(3*7)+(2*5)+(1*1)=145
145 % 10 = 5
So 146197-51-5 is a valid CAS Registry Number.

146197-51-5Relevant articles and documents

A formal synthesis of crinipellin B based on the arene-alkene meta- photocycloaddition reaction

Wender, Paul A.,Dore, Timothy M.

, p. 8589 - 8592 (2007/10/03)

Starting from triethyl phosphonopropionate and 3-nitro-2-methylbenzoic acid, a formal synthesis of crinipellin B was achieved. The strategy draws on the use of a novel version of the arene-alkene meta-photocycloaddition reaction that proceeds with the generation of 4 rings and 4 quaternary stereocenters in one synthetic operation.

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