148709-77-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 148709-77-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,7,0 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 148709-77:
(8*1)+(7*4)+(6*8)+(5*7)+(4*0)+(3*9)+(2*7)+(1*7)=167
167 % 10 = 7
So 148709-77-7 is a valid CAS Registry Number.