137522-85-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137522-85-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,5,2 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 137522-85:
(8*1)+(7*3)+(6*7)+(5*5)+(4*2)+(3*2)+(2*8)+(1*5)=131
131 % 10 = 1
So 137522-85-1 is a valid CAS Registry Number.
InChI:InChI=1/C21H20N8O3/c1-30-17-9-5-3-7-15(17)13-23-28-19-25-20(27-21(26-19)32-12-11-22)29-24-14-16-8-4-6-10-18(16)31-2/h3-10,13-14H,12H2,1-2H3,(H2,25,26,27,28,29)/b23-13+,24-14+