Cas 121730-99-2,ethyl 3-benzyl-2-carbethoxy-4-methylpentanoate

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Check Digit Verification of cas no

The CAS Registry Mumber 121730-99-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,7,3 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 121730-99:
(8*1)+(7*2)+(6*1)+(5*7)+(4*3)+(3*0)+(2*9)+(1*9)=102
102 % 10 = 2
So 121730-99-2 is a valid CAS Registry Number.

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121730-99-2Relevant articles and documents

Unusual Rearrangements in Di-?-methane Systems: Mechanistic and Exploratory Organic Photochemistry

Zimmerman, Howard E.,Cassel, Jonathan M.

, p. 3800 - 3816 (2007/10/02)

The triplet photochemistry of 1,1-dicyano-5,5-diphenyl-3,3-diisopropyl-1,4-pentadiene was investigated to determine if the high reactivity of di-?-methane systems with central diphenyl substitution derived from electronic or from steric effects.Sensitized

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121730-99-2