156379-72-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156379-72-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,3,7 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 156379-72:
(8*1)+(7*5)+(6*6)+(5*3)+(4*7)+(3*9)+(2*7)+(1*2)=165
165 % 10 = 5
So 156379-72-5 is a valid CAS Registry Number.