117548-22-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117548-22-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,5,4 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 117548-22:
(8*1)+(7*1)+(6*7)+(5*5)+(4*4)+(3*8)+(2*2)+(1*2)=128
128 % 10 = 8
So 117548-22-8 is a valid CAS Registry Number.
InChI:InChI=1/2C25H15NO9/c27-13-2-5-16-19(10-13)34-20-11-14(28)3-6-17(20)23(16)18-9-12(1-4-15(18)24(31)32)25(33)35-26-21(29)7-8-22(26)30;27-12-4-6-14-18(10-12)34-19-11-13(28)5-7-15(19)22(14)23-16(24(31)32)2-1-3-17(23)25(33)35-26-20(29)8-9-21(26)30/h1-6,9-11,27H,7-8H2,(H,31,32);1-7,10-11,27H,8-9H2,(H,31,32)