1381948-49-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1381948-49-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,1,9,4 and 8 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1381948-49:
(9*1)+(8*3)+(7*8)+(6*1)+(5*9)+(4*4)+(3*8)+(2*4)+(1*9)=197
197 % 10 = 7
So 1381948-49-7 is a valid CAS Registry Number.