80717-17-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80717-17-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,7,1 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 80717-17:
(7*8)+(6*0)+(5*7)+(4*1)+(3*7)+(2*1)+(1*7)=125
125 % 10 = 5
So 80717-17-5 is a valid CAS Registry Number.
80717-17-5Relevant articles and documents
PREPARATION AND REACTIONS OF TRIPHENYLARSORANYLIDENEKETENE
Bestmann, H. J.,Bansal, R. K.
, p. 3839 - 3842 (1981)
Preparation and some reactions of the first cumulated ylide of arsenic, viz. triphenylarsoranylideneketene are described.