929887-20-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 929887-20-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,9,8,8 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 929887-20:
(8*9)+(7*2)+(6*9)+(5*8)+(4*8)+(3*7)+(2*2)+(1*0)=237
237 % 10 = 7
So 929887-20-7 is a valid CAS Registry Number.