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112989-11-4

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112989-11-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 112989-11-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,2,9,8 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 112989-11:
(8*1)+(7*1)+(6*2)+(5*9)+(4*8)+(3*9)+(2*1)+(1*1)=134
134 % 10 = 4
So 112989-11-4 is a valid CAS Registry Number.

112989-11-4Upstream product

112989-11-4Downstream Products

112989-11-4Relevant articles and documents

Oxonitriles: Multicomponent Grignard addition-alkylations

Fleming, Fraser F.,Zhang, Zhiyu,Wang, Qunzhao,Steward, Omar W.

, p. 1126 - 1129 (2007/10/03)

Three at a time: Sequential carbonyl addition, chelation-controlled conjugate addition, and alkylation triggers the multicomponent assembly of diverse nitriles. The chelation-controlled conjugate addition-alkylation installs three new stereocenters (see scheme), thereby generating substituted nitriles that are ideal terpenoid precursors as illustrated in the synthesis of epi-dehydroabietic acid.

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