139072-42-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139072-42-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,0,7 and 2 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 139072-42:
(8*1)+(7*3)+(6*9)+(5*0)+(4*7)+(3*2)+(2*4)+(1*2)=127
127 % 10 = 7
So 139072-42-7 is a valid CAS Registry Number.
InChI:InChI=1/C20H42NO/c1-3-5-6-7-8-9-10-11-12-13-14-15-16-21(4-2)17-19-22-20-18-21/h3-20H2,1-2H3/q+1