837-27-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 837-27-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,3 and 7 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 837-27:
(5*8)+(4*3)+(3*7)+(2*2)+(1*7)=84
84 % 10 = 4
So 837-27-4 is a valid CAS Registry Number.
InChI:InChI=1/C9H10N4O4.Na/c1-11-7-6(8(16)12(2)9(11)17)13(4-10-7)3-5(14)15;/h4H,3H2,1-2H3,(H,14,15);/q;+1/p-1