620948-18-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 620948-18-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,0,9,4 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 620948-18:
(8*6)+(7*2)+(6*0)+(5*9)+(4*4)+(3*8)+(2*1)+(1*8)=157
157 % 10 = 7
So 620948-18-7 is a valid CAS Registry Number.