1027956-45-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1027956-45-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,7,9,5 and 6 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1027956-45:
(9*1)+(8*0)+(7*2)+(6*7)+(5*9)+(4*5)+(3*6)+(2*4)+(1*5)=161
161 % 10 = 1
So 1027956-45-1 is a valid CAS Registry Number.