146-71-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 146-71-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,4 and 6 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 146-71:
(5*1)+(4*4)+(3*6)+(2*7)+(1*1)=54
54 % 10 = 4
So 146-71-4 is a valid CAS Registry Number.
InChI:InChI=1/C7H8N4O2.C5H14NO/c1-10-5-4(8-3-9-5)6(12)11(2)7(10)13;1-6(2,3)4-5-7/h3H,1-2H3,(H,8,9);7H,4-5H2,1-3H3/q;+1