1009003-67-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1009003-67-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,9,0,0 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1009003-67:
(9*1)+(8*0)+(7*0)+(6*9)+(5*0)+(4*0)+(3*3)+(2*6)+(1*7)=91
91 % 10 = 1
So 1009003-67-1 is a valid CAS Registry Number.