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57187-86-7

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57187-86-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57187-86-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,1,8 and 7 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 57187-86:
(7*5)+(6*7)+(5*1)+(4*8)+(3*7)+(2*8)+(1*6)=157
157 % 10 = 7
So 57187-86-7 is a valid CAS Registry Number.

57187-86-7Relevant articles and documents

Efficient dehydrocyanation of hindered 1-substituted olefins

Temmem,Uguen,De Cian,Gruber

, p. 3175 - 3179 (2007/10/03)

The chlorosulfides 7 which formed quantitatively by reaction of olefins 5 with PhSCl under neutral conditions could be converted into the unsaturated nitriles 6 in good yields by sequential treatment with alkaline cyanides and MCPBA, a similar result being observed by reversing this order.

REACTIONS OF SULFENYL CHLORIDES WITH ALKENES. INTRODUCTION OF PYRIDINE INTO CONJUGATE ADDITION

Filipushchenko, M. V.,Borisov, A. V.,Bodrikov, I. V.

, p. 1634 - 1635 (2007/10/02)

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