701278-07-1 Usage
Uses
4-Dehydroxy-4-dimethylphenylsilyl Entecavir is an impurity of Entecavir (E558900).
Check Digit Verification of cas no
The CAS Registry Mumber 701278-07-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,0,1,2,7 and 8 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 701278-07:
(8*7)+(7*0)+(6*1)+(5*2)+(4*7)+(3*8)+(2*0)+(1*7)=131
131 % 10 = 1
So 701278-07-1 is a valid CAS Registry Number.
InChI:InChI=1/C20H25N5O2Si/c1-12-14(10-26)16(28(2,3)13-7-5-4-6-8-13)9-15(12)25-11-22-17-18(25)23-20(21)24-19(17)27/h4-8,11,14-16,26H,1,9-10H2,2-3H3,(H3,21,23,24,27)/t14-,15-,16-/m0/s1