1372779-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1372779-45-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,2,7,7 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1372779-45:
(9*1)+(8*3)+(7*7)+(6*2)+(5*7)+(4*7)+(3*9)+(2*4)+(1*5)=197
197 % 10 = 7
So 1372779-45-7 is a valid CAS Registry Number.