159333-30-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 159333-30-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,3,3 and 3 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 159333-30:
(8*1)+(7*5)+(6*9)+(5*3)+(4*3)+(3*3)+(2*3)+(1*0)=139
139 % 10 = 9
So 159333-30-9 is a valid CAS Registry Number.
InChI:InChI=1/C22H18O2/c23-21(18-13-12-15-6-1-2-8-17(15)14-18)22(24)20-11-5-9-16-7-3-4-10-19(16)20/h1-14,21-24H/t21-,22-/m1/s1