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1423122-45-5

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1423122-45-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1423122-45-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,3,1,2 and 2 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1423122-45:
(9*1)+(8*4)+(7*2)+(6*3)+(5*1)+(4*2)+(3*2)+(2*4)+(1*5)=105
105 % 10 = 5
So 1423122-45-5 is a valid CAS Registry Number.

1423122-45-5Relevant articles and documents

Synthesis of azahomosteroid ring system through intramolecular [4+2] cycloaddition of in situ generated azaisobenzofuran intermediates

Roy, Priyabrata,Mitra, Partha,Ghorai, Binay Krishna

, p. 1440 - 1443 (2013)

Azahomosteroid ring systems were synthesized through two-component coupling of γ,δ-unsaturated Fischer carbene complexes with o-alkynylheteroaryl carbonyl derivatives. The reaction occurs through the formation of azaisobenzofuran as transient intermediate; the latter undergoes a subsequent Diels-Alder cycloaddition reaction with in-built dienophile with high regio- and stereoselectivity. Copyright

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