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1329992-99-5

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1329992-99-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1329992-99-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,2,9,9,9 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1329992-99:
(9*1)+(8*3)+(7*2)+(6*9)+(5*9)+(4*9)+(3*2)+(2*9)+(1*9)=215
215 % 10 = 5
So 1329992-99-5 is a valid CAS Registry Number.

1329992-99-5Upstream product

1329992-99-5Downstream Products

1329992-99-5Relevant articles and documents

Organocatalytic iminium ion/carbene reaction cascade for the formation of optically active 2,4-disubstituted cyclopentenones

Jacobsen, Christian Borch,Jensen, Kim L.,Udmark, Jonas,Jorgensen, Karl Anker

supporting information; experimental part, p. 4790 - 4793 (2011/11/12)

An organocatalytic iminium ion/N-heterocyclic carbene (NHC) cascade reaction between β-keto phenyltetrazolesulfones and α,β- unsaturated aldehydes, providing direct access to optically active 2,4-disubstituted cyclopent-2-enones, has been developed. The p

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