81649-55-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81649-55-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,4 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 81649-55:
(7*8)+(6*1)+(5*6)+(4*4)+(3*9)+(2*5)+(1*5)=150
150 % 10 = 0
So 81649-55-0 is a valid CAS Registry Number.
InChI:InChI=1/C65H124N4O12/c1-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-35-37-39-41-43-45-47-55(71)53(46-44-42-40-38-36-34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-2)63(76)69-58-60(59(73)56(50-70)81-65(58)79)80-52(4)62(75)67-51(3)61(74)68-54(64(77)78)48-49-57(66)72/h51-56,58-60,65,70-71,73,79H,5-50H2,1-4H3,(H2,66,72)(H,67,75)(H,68,74)(H,69,76)(H,77,78)/t51-,52?,53?,54+,55?,56+,58+,59+,60+,65-/m0/s1