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1229893-66-6

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1229893-66-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1229893-66-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,9,8,9 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1229893-66:
(9*1)+(8*2)+(7*2)+(6*9)+(5*8)+(4*9)+(3*3)+(2*6)+(1*6)=196
196 % 10 = 6
So 1229893-66-6 is a valid CAS Registry Number.

1229893-66-6Upstream product

1229893-66-6Relevant articles and documents

Chromium-catalyzed homoaldol equivalent reaction employing a nucleophilic propenyl acetate

Kang, Jun Yong,Connell, Brian T.

supporting information; experimental part, p. 7826 - 7827 (2010/08/04)

A scalable, highly regioselective chromium-catalyzed homoaldol equivalent reaction employing 3-bromopropenyl acetate as a masked homoenolate nucleophile in additions to aromatic, aliphatic, and α,β-unsaturated aldehydes under mild Cr/Mn redox conditions in good to excellent yields is reported. The resulting vinyl acetate-containing adducts are easily hydrolyzed with mild base to provide formal homoaldol adducts, or transformed to other more functionalized products by stereoselective transformations including epoxidation and cyclopropanation.

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