70887-49-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70887-49-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,8,8 and 7 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 70887-49:
(7*7)+(6*0)+(5*8)+(4*8)+(3*7)+(2*4)+(1*9)=159
159 % 10 = 9
So 70887-49-9 is a valid CAS Registry Number.