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74672-14-3

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74672-14-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74672-14-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,7 and 2 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 74672-14:
(7*7)+(6*4)+(5*6)+(4*7)+(3*2)+(2*1)+(1*4)=143
143 % 10 = 3
So 74672-14-3 is a valid CAS Registry Number.

74672-14-3Downstream Products

74672-14-3Relevant articles and documents

Addition of Organozinc Compounds to C=C-Bonds, III. --- Addition of Bis(2-methylallyl)zinc to para- and meta- Substituted Styrenes

Lehmkuhl, Herbert,McLane, Raymond

, p. 736 - 743 (2007/10/02)

A Hammett correlation between the ratio of M --> Cprim/M --> Csec addition and the substituent constants ?+ has been found for the addition of bis(2-methylallyl)zinc (1) to p- and m-substituted styrenes 2-8.Electron donating substituents favour M --> Cprim addition, electron withdrawing substituents M --> Csec addition.

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