17654-99-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17654-99-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,6,5 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 17654-99:
(7*1)+(6*7)+(5*6)+(4*5)+(3*4)+(2*9)+(1*9)=138
138 % 10 = 8
So 17654-99-8 is a valid CAS Registry Number.
InChI:InChI=1/C11H16O2/c1-4-10-6-5-9(7-8(2)3)11(12)13-10/h5-6,8H,4,7H2,1-3H3