149471-07-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 149471-07-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,4,7 and 1 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 149471-07:
(8*1)+(7*4)+(6*9)+(5*4)+(4*7)+(3*1)+(2*0)+(1*7)=148
148 % 10 = 8
So 149471-07-8 is a valid CAS Registry Number.
InChI:InChI=1/C20H18O5/c1-18(9-21)13-5-6-19(2)14(13)8-15-16(23)12-7-10(22)3-4-11(12)17(24)20(15,18)25-19/h3-4,7-9,13-14,22H,5-6H2,1-2H3/t13-,14-,18-,19+,20?/m1/s1