1678527-98-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1678527-98-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,7,8,5,2 and 7 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1678527-98:
(9*1)+(8*6)+(7*7)+(6*8)+(5*5)+(4*2)+(3*7)+(2*9)+(1*8)=234
234 % 10 = 4
So 1678527-98-4 is a valid CAS Registry Number.