77691-03-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77691-03-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,6,9 and 1 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 77691-03:
(7*7)+(6*7)+(5*6)+(4*9)+(3*1)+(2*0)+(1*3)=163
163 % 10 = 3
So 77691-03-3 is a valid CAS Registry Number.
InChI:InChI=1/C11H14N4O4/c12-11-7-4(13-3-14-11)1-5(15-7)10-9(18)8(17)6(2-16)19-10/h1,3,6,8-10,15-18H,2H2,(H2,12,13,14)/t6-,8-,9-,10+/m1/s1