136158-03-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136158-03-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,1,5 and 8 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 136158-03:
(8*1)+(7*3)+(6*6)+(5*1)+(4*5)+(3*8)+(2*0)+(1*3)=117
117 % 10 = 7
So 136158-03-7 is a valid CAS Registry Number.