162956-98-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 162956-98-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,2,9,5 and 6 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 162956-98:
(8*1)+(7*6)+(6*2)+(5*9)+(4*5)+(3*6)+(2*9)+(1*8)=171
171 % 10 = 1
So 162956-98-1 is a valid CAS Registry Number.