138349-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138349-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,3,4 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 138349-20:
(8*1)+(7*3)+(6*8)+(5*3)+(4*4)+(3*9)+(2*2)+(1*0)=139
139 % 10 = 9
So 138349-20-9 is a valid CAS Registry Number.
InChI:InChI=1/C46H76O2/c1-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-44(47)48-39-30-32-45(6)38(34-39)26-27-40-42-29-28-41(46(42,7)33-31-43(40)45)37(5)25-24-36(4)35(2)3/h12-13,15-16,24-25,27,35-39,41-43H,8-11,14,17-23,26,28-34H2,1-7H3/b13-12+,16-15+,25-24+/t36-,37+,38?,39-,41+,42-,43-,45-,46+/m0/s1