70021-38-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70021-38-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,0,2 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 70021-38:
(7*7)+(6*0)+(5*0)+(4*2)+(3*1)+(2*3)+(1*8)=74
74 % 10 = 4
So 70021-38-4 is a valid CAS Registry Number.
InChI:InChI=1/C22H43NO4/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-23-20(22(26)27)19-21(24)25/h20,23H,2-19H2,1H3,(H,24,25)(H,26,27)/t20-/m0/s1