163531-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 163531-19-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,5,3 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 163531-19:
(8*1)+(7*6)+(6*3)+(5*5)+(4*3)+(3*1)+(2*1)+(1*9)=119
119 % 10 = 9
So 163531-19-9 is a valid CAS Registry Number.
163531-19-9Relevant articles and documents
A novel approach to FR-900482 via ring forming metathesis
Martin, Stephen F.,Wagman, Allan S.
, p. 1169 - 1170 (1995)
The viability of the key step in our approach to the novel alkaloid FR-900482 (1) has been verified by the ring forming metathesis of 6 to give 7.