1261611-69-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1261611-69-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,1,6,1 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1261611-69:
(9*1)+(8*2)+(7*6)+(6*1)+(5*6)+(4*1)+(3*1)+(2*6)+(1*9)=131
131 % 10 = 1
So 1261611-69-1 is a valid CAS Registry Number.
1261611-69-1Relevant articles and documents
An unprecedented stereoselective [2+2] cycloreversion of cyclobutanones
Ji, Xiufang,Wang, Quanrui,Goeke, Andreas
, p. 8845 - 8847 (2010)
A one-pot metathetic ring opening of substituted bicyclo[3.2.0]heptenones to linear polyene ketones is described. The reaction proceeds with conservation of the endocyclic (Z)-double bond. Exo-substituted vinylcyclobutanones result in (4Z,6E)-configured t
