1219798-37-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1219798-37-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,7,9 and 8 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1219798-37:
(9*1)+(8*2)+(7*1)+(6*9)+(5*7)+(4*9)+(3*8)+(2*3)+(1*7)=194
194 % 10 = 4
So 1219798-37-4 is a valid CAS Registry Number.