213-32-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 213-32-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,1 and 3 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 213-32:
(5*2)+(4*1)+(3*3)+(2*3)+(1*2)=31
31 % 10 = 1
So 213-32-1 is a valid CAS Registry Number.
InChI:InChI=1/C22H15N/c1-2-7-20-16(5-1)18-11-10-15-17-6-3-4-13-8-9-14(21(13)17)12-19(15)22(18)23-20/h1-7,10-12,23H,8-9H2