72064-31-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72064-31-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,0,6 and 4 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 72064-31:
(7*7)+(6*2)+(5*0)+(4*6)+(3*4)+(2*3)+(1*1)=104
104 % 10 = 4
So 72064-31-4 is a valid CAS Registry Number.
72064-31-4Relevant articles and documents
VINYLSPIROPENTANE
Zefirov, N. S.,Kozhushkov, S. I.,Kuznetsova, T. S.,Lukin, K. A.,Kazimirchik, I. V.
, p. 605 - 610 (2007/10/02)
The cyclopropanation of (2-X-ethyl)-substituted allenes with diazomethane in the presence of palladium acetate led to the formation of derivatives of methylenecyclopropane and spiropentane.The elimination of HX from the latter gave vinylspiropentane.
