12237-25-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12237-25-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,3 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 12237-25:
(7*1)+(6*2)+(5*2)+(4*3)+(3*7)+(2*2)+(1*5)=71
71 % 10 = 1
So 12237-25-1 is a valid CAS Registry Number.
InChI:InChI=1/C14H10N2O10S2.2Na/c15-3-1-5(27(21,22)23)11(17)9-7(3)13(19)10-8(14(9)20)4(16)2-6(12(10)18)28(24,25)26;;/h1-2,17-18H,15-16H2,(H,21,22,23)(H,24,25,26);;/q;2*+1/p-2