173780-26-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 173780-26-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,7,8 and 0 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 173780-26:
(8*1)+(7*7)+(6*3)+(5*7)+(4*8)+(3*0)+(2*2)+(1*6)=152
152 % 10 = 2
So 173780-26-2 is a valid CAS Registry Number.