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174229-55-1

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174229-55-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 174229-55-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,4,2,2 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 174229-55:
(8*1)+(7*7)+(6*4)+(5*2)+(4*2)+(3*9)+(2*5)+(1*5)=141
141 % 10 = 1
So 174229-55-1 is a valid CAS Registry Number.

174229-55-1Relevant articles and documents

Synthesis of Allenes by 1,6-Addition of Organocuprates to Acceptor-Substituted Enynes: Scope and Limitations

Hohmann, Michael,Krause, Norbert

, p. 851 - 860 (2007/10/02)

Acyclic acceptor-substituted conjugated enynes bearing sulfonyl, sulfinyl, sulfonate, nitro, amide, cyano, and oxazolidino groups at the double bond were synthesized and the regioselectivity of their reaction with organocuprates was examined.All Michael a

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