15780-37-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15780-37-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,7,8 and 0 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 15780-37:
(7*1)+(6*5)+(5*7)+(4*8)+(3*0)+(2*3)+(1*7)=117
117 % 10 = 7
So 15780-37-7 is a valid CAS Registry Number.