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156496-90-1

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156496-90-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156496-90-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,4,9 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 156496-90:
(8*1)+(7*5)+(6*6)+(5*4)+(4*9)+(3*6)+(2*9)+(1*0)=171
171 % 10 = 1
So 156496-90-1 is a valid CAS Registry Number.

156496-90-1Downstream Products

156496-90-1Relevant articles and documents

Reversal of regiochemistry in the synthesis of isoxazoles by nitrile oxide cycloadditions

Easton,Easton, Christopher J.,Hughes,Merricc Hughes,Tiekink,Tiekink, Edward R. T.,Lubin,Lubin, Carolyn E.,Savage,Paul Savage,Simpson,Simpson, Gregory W.

, p. 3589 - 3592 (1994)

The isoxazolines 2a, 2b and 8 obtained from nitrile oxide cycloadditions to cyclohex-2-enone 1a and its analogues 1b and 7 reacted with nickel peroxide to give the isoxazoles 3a, 3b, and 9. In contrast, the correponding 2-bromocyclohex-2-enones 4a, 4b and

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