1381766-09-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1381766-09-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,1,7,6 and 6 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1381766-09:
(9*1)+(8*3)+(7*8)+(6*1)+(5*7)+(4*6)+(3*6)+(2*0)+(1*9)=181
181 % 10 = 1
So 1381766-09-1 is a valid CAS Registry Number.