49780-40-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 49780-40-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,9,7,8 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 49780-40:
(7*4)+(6*9)+(5*7)+(4*8)+(3*0)+(2*4)+(1*0)=157
157 % 10 = 7
So 49780-40-7 is a valid CAS Registry Number.