81497-26-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81497-26-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,9 and 7 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 81497-26:
(7*8)+(6*1)+(5*4)+(4*9)+(3*7)+(2*2)+(1*6)=149
149 % 10 = 9
So 81497-26-9 is a valid CAS Registry Number.
InChI:InChI=1/C49H86N5O15P/c1-3-5-7-9-11-13-15-17-19-21-23-25-29-33-47(56)66-40-43(69-48(57)34-30-26-24-22-20-18-16-14-12-10-8-6-4-2)41-68-70(64,65)67-37-36-50-46(55)32-28-27-31-35-51-49-44(53(60)61)38-42(52(58)59)39-45(49)54(62)63/h38-39,43,51H,3-37,40-41H2,1-2H3,(H,50,55)(H,64,65)