1031765-27-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1031765-27-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,1,7,6 and 5 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1031765-27:
(9*1)+(8*0)+(7*3)+(6*1)+(5*7)+(4*6)+(3*5)+(2*2)+(1*7)=121
121 % 10 = 1
So 1031765-27-1 is a valid CAS Registry Number.