67-04-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67-04-9 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 6 and 7 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 67-04:
(4*6)+(3*7)+(2*0)+(1*4)=49
49 % 10 = 9
So 67-04-9 is a valid CAS Registry Number.
InChI:InChI=1/2C9H13NO2.C4H6O6/c2*1-10-6-9(12)7-2-4-8(11)5-3-7;5-1(3(7)8)2(6)4(9)10/h2*2-5,9-12H,6H2,1H3;1-2,5-6H,(H,7,8)(H,9,10)