94042-72-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 94042-72-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,0,4 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 94042-72:
(7*9)+(6*4)+(5*0)+(4*4)+(3*2)+(2*7)+(1*2)=125
125 % 10 = 5
So 94042-72-5 is a valid CAS Registry Number.
InChI:InChI=1/C23H20N4O9S3/c1-13-2-9-19(21(10-13)39(34,35)36)27-37(29,30)16-6-4-15(5-7-16)25-26-23-18(24)8-3-14-11-17(38(31,32)33)12-20(28)22(14)23/h2-12,24-27H,1H3,(H,31,32,33)(H,34,35,36)/b24-18+