100995-34-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100995-34-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,9,9 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 100995-34:
(8*1)+(7*0)+(6*0)+(5*9)+(4*9)+(3*5)+(2*3)+(1*4)=114
114 % 10 = 4
So 100995-34-4 is a valid CAS Registry Number.