156737-69-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156737-69-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,7,3 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 156737-69:
(8*1)+(7*5)+(6*6)+(5*7)+(4*3)+(3*7)+(2*6)+(1*9)=168
168 % 10 = 8
So 156737-69-8 is a valid CAS Registry Number.