747-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 747-23-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,4 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 747-23:
(5*7)+(4*4)+(3*7)+(2*2)+(1*3)=79
79 % 10 = 9
So 747-23-9 is a valid CAS Registry Number.
InChI:InChI=1/C8H12NO3.C7H8N4O2.Hg.H2O/c1-6(12-2)5-9-7(10)3-4-8(9)11;1-10-5-4(8-3-9-5)6(12)11(2)7(10)13;;/h6H,1,3-5H2,2H3;3H,1-2H3,(H,8,9);;1H2/rC8H12HgNO3.C7H8N4O2.H2O/c1-13-6(4-9)5-10-7(11)2-3-8(10)12;1-10-5-4(8-3-9-5)6(12)11(2)7(10)13;/h6H,2-5H2,1H3;3H,1-2H3,(H,8,9);1H2