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201035-87-2

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201035-87-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201035-87-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,0,3 and 5 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 201035-87:
(8*2)+(7*0)+(6*1)+(5*0)+(4*3)+(3*5)+(2*8)+(1*7)=72
72 % 10 = 2
So 201035-87-2 is a valid CAS Registry Number.

201035-87-2Relevant articles and documents

Cascade radical-mediated cyclisations with conjugated ynone electrophores. An approach to the synthesis of steroids and other novel ring-fused polycyclic carbocycles

Pattenden, Gerald,Stoker, Davey A.,Thomson, Nicholas M.

, p. 1776 - 1788 (2007)

A cascade radical-mediated Diels-Alder reaction with the iododienynone 16b produced the tricyclic ketone 17 (22%). By contrast, treatment of the substituted furans 36 and 47 with Bu3SnH-AIBN, instead led to the tetracycles 44 and 58 respectivel

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