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852360-81-7

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852360-81-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 852360-81-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,2,3,6 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 852360-81:
(8*8)+(7*5)+(6*2)+(5*3)+(4*6)+(3*0)+(2*8)+(1*1)=167
167 % 10 = 7
So 852360-81-7 is a valid CAS Registry Number.

852360-81-7Relevant articles and documents

Sulfur-based protecting groups for pyrroles and the facile deprotection of 2-(2,4-dinitrobenzene)sulfinyl and sulfonyl pyrroles

Thompson, Alison,Butler, R. Jonathan,Grundy, Meaghan N.,Laltoo, Andrea B. E.,Robertson, Katherine N.,Cameron, T. Stanley

, p. 3753 - 3756 (2007/10/03)

(Chemical Equation Presented) The effectiveness of simple sulfinyl and sulfonyl groups as electron-withdrawing protecting groups for pyrroles has been analyzed using 13C NMR spectroscopy and confirmed by consideration of X-ray crystal structures. Additionally, the 2,4-dinitrobenzenesulfinyl and sulfonyl groups are shown to be effective electron-withdrawing protecting groups for pyrroles, and they can be removed by treatment with benzene thiol or thiolate under mild and specific conditions.

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