71504-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71504-23-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,5,0 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 71504-23:
(7*7)+(6*1)+(5*5)+(4*0)+(3*4)+(2*2)+(1*3)=99
99 % 10 = 9
So 71504-23-9 is a valid CAS Registry Number.
71504-23-9Relevant articles and documents
Synthesis and Properties of Cyclic Keto Alkenylammonium Salts
Jung, Michael E.,Love, Brian E.
, p. 1288 - 1290 (1987)
The cyclic keto alkenylammonium salts (4)-(8) have been prepared by a short, general route and their acidic and electrophilic properties examined.
