81417-94-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81417-94-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,1 and 7 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 81417-94:
(7*8)+(6*1)+(5*4)+(4*1)+(3*7)+(2*9)+(1*4)=129
129 % 10 = 9
So 81417-94-9 is a valid CAS Registry Number.
InChI:InChI=1/C40H29Cl2N15O19S6/c41-35-48-37(44-18-3-1-5-22(13-18)77(59,60)61)52-39(50-35)46-20-7-9-26(79(65,66)67)24(15-20)54-56-32-28(81(71,72)73)11-17-12-29(82(74,75)76)33(34(58)30(17)31(32)43)57-55-25-16-21(8-10-27(25)80(68,69)70)47-40-51-36(42)49-38(53-40)45-19-4-2-6-23(14-19)78(62,63)64/h1-16,55H,43H2,(H,59,60,61)(H,62,63,64)(H,65,66,67)(H,68,69,70)(H,71,72,73)(H,74,75,76)(H2,44,46,48,50,52)(H2,45,47,49,51,53)/b56-54+,57-33-