219627-01-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219627-01-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,6,2 and 7 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 219627-01:
(8*2)+(7*1)+(6*9)+(5*6)+(4*2)+(3*7)+(2*0)+(1*1)=137
137 % 10 = 7
So 219627-01-7 is a valid CAS Registry Number.