127541-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 127541-99-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,5,4 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 127541-99:
(8*1)+(7*2)+(6*7)+(5*5)+(4*4)+(3*1)+(2*9)+(1*9)=135
135 % 10 = 5
So 127541-99-5 is a valid CAS Registry Number.
127541-99-5Relevant articles and documents
Diels-Alder Cycloaddition Reactions of Isobenzofuran and o-Quinodimethane with 1,2-Diheteroethylenes
D'Andrea, Stan V.,Freeman, Jeremiah P.,Szmuszkovicz, Jacob
, p. 4356 - 4358 (2007/10/02)
2,3-Diheterotetrahydronaphthalenes are produced efficiently and stereoselectively by the cycloaddition of o-quinodimethane and isobenzofuran with various 1,2-diheteroethylenes.
