1648787-32-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1648787-32-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,4,8,7,8 and 7 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1648787-32:
(9*1)+(8*6)+(7*4)+(6*8)+(5*7)+(4*8)+(3*7)+(2*3)+(1*2)=229
229 % 10 = 9
So 1648787-32-9 is a valid CAS Registry Number.