Cas 117499-70-4,2-(2-Iodo-benzyl)-2-methyl-cyclohex-3-enone

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Check Digit Verification of cas no

The CAS Registry Mumber 117499-70-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,4,9 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 117499-70:
(8*1)+(7*1)+(6*7)+(5*4)+(4*9)+(3*9)+(2*7)+(1*0)=154
154 % 10 = 4
So 117499-70-4 is a valid CAS Registry Number.

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117499-70-4Relevant articles and documents

Palladium-Catalyzed Procedures for Annulation via Intramolecular Alkenylpalladation and Arylpalladation

Zhang, Yantao,O'Connor, Brian,Negishi, Ei-ichi

, p. 5588 - 5590 (1988)

Treatment of dienolates derived from cyclohexenes activated by carbonyl groups with γ-iodoallyl electrophiles 1 and o-iodobenzyl electrophiles 2 followed by cyclization catalyzed by Pd complexes, e.g., Pd(PPh3)4, can produce the corresponding annu

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117499-70-4