135221-03-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135221-03-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,2,2 and 1 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 135221-03:
(8*1)+(7*3)+(6*5)+(5*2)+(4*2)+(3*1)+(2*0)+(1*3)=83
83 % 10 = 3
So 135221-03-3 is a valid CAS Registry Number.
InChI:InChI=1/C17H20N4O4.2HI/c22-18-6-10-20-8-1-4-16(14-20)24-12-3-13-25-17-5-2-9-21(15-17)11-7-19-23;;/h1-2,4-9,14-15H,3,10-13H2;2*1H/b18-6+,19-7+;;