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82167-48-4

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82167-48-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82167-48-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,1,6 and 7 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 82167-48:
(7*8)+(6*2)+(5*1)+(4*6)+(3*7)+(2*4)+(1*8)=134
134 % 10 = 4
So 82167-48-4 is a valid CAS Registry Number.

82167-48-4Relevant articles and documents

Organozinc reagents in synthesis: The facile generation of 2-(trialkylsilyl)prop-2-enylzinc from 2-bromo-1-trimethylsilylprop-2-ene

Eshelby, James J.,Parsons, Philip J.,Crowley, Patrick J.

, p. 191 - 199 (2007/10/03)

A range of electrophiles react with 2-(trimethylsilyl)prop-2-enylzinc chloride, which is prepared by sequentially treating 2-bromo-1-trimethylsilylprop-2-ene with ButLi and then zinc chloride. The addition of transition metal catalysts can alter the reactivity of the organometallic compound from prop-2-enylation to prop-1-en-2-ylation.

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