65132-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65132-20-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,1,3 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 65132-20:
(7*6)+(6*5)+(5*1)+(4*3)+(3*2)+(2*2)+(1*0)=99
99 % 10 = 9
So 65132-20-9 is a valid CAS Registry Number.
InChI:InChI=1/C23H20N4O8S2.2K/c1-14-20(22(28)26(24-14)16-6-10-18(11-7-16)36(30,31)32)4-3-5-21-15(2)25-27(23(21)29)17-8-12-19(13-9-17)37(33,34)35;;/h3-13,24H,1-2H3,(H,30,31,32)(H,33,34,35);;/q;2*+1/p-2/b4-3+,21-5-;;