88912-57-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 88912-57-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,9,1 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 88912-57:
(7*8)+(6*8)+(5*9)+(4*1)+(3*2)+(2*5)+(1*7)=176
176 % 10 = 6
So 88912-57-6 is a valid CAS Registry Number.
InChI:InChI=1/C23H21N7O7/c1-10-9-30(21(35)16(10)14-8-25-18-17(26-14)20(34)29-23(24)28-18)12-4-2-11(3-5-12)19(33)27-13(22(36)37)6-7-15(31)32/h2-5,8-9,13,26H,6-7H2,1H3,(H,27,33)(H,31,32)(H,36,37)(H3,24,28,29,34)/b16-14+/t13-/m0/s1