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56974-20-0

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56974-20-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56974-20-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,9,7 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 56974-20:
(7*5)+(6*6)+(5*9)+(4*7)+(3*4)+(2*2)+(1*0)=160
160 % 10 = 0
So 56974-20-0 is a valid CAS Registry Number.

56974-20-0Relevant articles and documents

α-Keto Dianion Precursors via Conjugate Additions to Cyclic α-Bromo Enones

Kowalski, Conrad J.,Weber, Ann E.,Fields, Kevin W.

, p. 5088 - 5093 (2007/10/02)

Successful conjugate to 2-bromocyclohexenone and 2-bromocyclopentenone have been achieved with a variety of lithium homocuprates, mixed cyanocuprates, and lithium tri-sec-butylborohydride as well.In all cases the resulting α-bromo enolate anions could be

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