1372857-67-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1372857-67-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,2,8,5 and 7 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1372857-67:
(9*1)+(8*3)+(7*7)+(6*2)+(5*8)+(4*5)+(3*7)+(2*6)+(1*7)=194
194 % 10 = 4
So 1372857-67-4 is a valid CAS Registry Number.