83-65-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83-65-8 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 8 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 83-65:
(4*8)+(3*3)+(2*6)+(1*5)=58
58 % 10 = 8
So 83-65-8 is a valid CAS Registry Number.
InChI:InChI=1/C10H8O5S/c11-7-3-1-2-6-9(16(13,14)15)5-4-8(12)10(6)7/h1-5,11-12H,(H,13,14,15)