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73067-21-7

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73067-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73067-21-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,0,6 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 73067-21:
(7*7)+(6*3)+(5*0)+(4*6)+(3*7)+(2*2)+(1*1)=117
117 % 10 = 7
So 73067-21-7 is a valid CAS Registry Number.

73067-21-7Relevant articles and documents

First Total Synthesis and Structural Confirmation of C13-Butylrubber Oligomers

Minicone, Fabrizio,Attrill, Robin,Hodgson, Michael,Wheelhouse, Katherine,Dobbs, Adrian

, p. 3271 - 3275 (2018)

The first total synthesis of an important C13 butyl rubber oligomer is reported. The structure of the oligomer, which is an important and potentially toxic extractable and leachable component of elastomeric closures, is confirmed by synthesis for the firs

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