4177-31-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4177-31-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,7 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4177-31:
(6*4)+(5*1)+(4*7)+(3*7)+(2*3)+(1*1)=85
85 % 10 = 5
So 4177-31-5 is a valid CAS Registry Number.
InChI:InChI=1/C13H10N4O4/c1-15-10-5-3-2-4-9(10)14-13-11(15)6-8(16(18)19)7-12(13)17(20)21/h2-7,14H,1H3