70838-03-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70838-03-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,8,3 and 8 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 70838-03:
(7*7)+(6*0)+(5*8)+(4*3)+(3*8)+(2*0)+(1*3)=128
128 % 10 = 8
So 70838-03-8 is a valid CAS Registry Number.
InChI:InChI=1/C21H30O4S/c1-20-10-8-16(22)19(26-11-18(24)25)15(20)4-3-12-13-5-6-17(23)21(13,2)9-7-14(12)20/h12-14,17,23H,3-11H2,1-2H3,(H,24,25)/t12?,13?,14?,17-,20+,21-/m0/s1