82-65-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82-65-5 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 8 and 2 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 82-65:
(4*8)+(3*2)+(2*6)+(1*5)=55
55 % 10 = 5
So 82-65-5 is a valid CAS Registry Number.
InChI:InChI=1/C10H7NO8S3/c12-20(13)6-3-1-2-5-7(21(14,15)16)4-8(22(17,18)19)10(11-20)9(5)6/h1-4,11H,(H,14,15,16)(H,17,18,19)