67377-77-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67377-77-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,3,7 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 67377-77:
(7*6)+(6*7)+(5*3)+(4*7)+(3*7)+(2*7)+(1*7)=169
169 % 10 = 9
So 67377-77-9 is a valid CAS Registry Number.
InChI:InChI=1/C11H13ClN4O3/c12-3-6-8(17)9(18)11(19-6)16-4-15-7-5(16)1-2-14-10(7)13/h1-2,4,6,8-9,11,17-18H,3H2,(H2,13,14)/t6-,8-,9-,11-/m1/s1