1004643-59-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1004643-59-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,4,6,4 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1004643-59:
(9*1)+(8*0)+(7*0)+(6*4)+(5*6)+(4*4)+(3*3)+(2*5)+(1*9)=107
107 % 10 = 7
So 1004643-59-7 is a valid CAS Registry Number.