81004-53-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81004-53-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,0 and 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81004-53:
(7*8)+(6*1)+(5*0)+(4*0)+(3*4)+(2*5)+(1*3)=87
87 % 10 = 7
So 81004-53-7 is a valid CAS Registry Number.
InChI:InChI=1/C43H84NO8P/c1-6-8-10-12-14-15-16-17-18-19-20-24-28-32-42(45)49-37-41(38-51-53(47,48)50-35-34-44(3,4)5)52-43(46)33-29-25-21-23-27-31-40-36-39(40)30-26-22-13-11-9-7-2/h39-41H,6-38H2,1-5H3