1383811-11-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1383811-11-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,3,8,1 and 1 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1383811-11:
(9*1)+(8*3)+(7*8)+(6*3)+(5*8)+(4*1)+(3*1)+(2*1)+(1*1)=157
157 % 10 = 7
So 1383811-11-7 is a valid CAS Registry Number.