156339-67-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156339-67-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,3,3 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 156339-67:
(8*1)+(7*5)+(6*6)+(5*3)+(4*3)+(3*9)+(2*6)+(1*7)=152
152 % 10 = 2
So 156339-67-2 is a valid CAS Registry Number.