133733-42-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133733-42-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,7,3 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 133733-42:
(8*1)+(7*3)+(6*3)+(5*7)+(4*3)+(3*3)+(2*4)+(1*2)=113
113 % 10 = 3
So 133733-42-3 is a valid CAS Registry Number.
InChI:InChI=1/C42H59N2O6P/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-21-39(45)38(32-50-51(47,48)49-31-30-44(2,3)4)43-40(46)29-27-33-22-23-36-25-24-34-19-18-20-35-26-28-37(33)42(36)41(34)35/h17-29,38-39,45H,5-16,30-32H2,1-4H3,(H-,43,46,47,48)/b21-17+,29-27-/t38-,39+/m0/s1