81733-82-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81733-82-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,3 and 3 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81733-82:
(7*8)+(6*1)+(5*7)+(4*3)+(3*3)+(2*8)+(1*2)=136
136 % 10 = 6
So 81733-82-6 is a valid CAS Registry Number.
InChI:InChI=1/C23H28N6O7/c1-13(27-22(33)18(24)11-15-4-8-17(30)9-5-15)21(32)26-12-20(31)28-23(34)19(25)10-14-2-6-16(7-3-14)29(35)36/h2-9,13,18-19,30H,10-12,24-25H2,1H3,(H,26,32)(H,27,33)(H,28,31,34)/t13-,18+,19+/m1/s1