3693-18-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3693-18-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,6,9 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 3693-18:
(6*3)+(5*6)+(4*9)+(3*3)+(2*1)+(1*8)=103
103 % 10 = 3
So 3693-18-3 is a valid CAS Registry Number.
InChI:InChI=1/C19H15ClN2O5.Na/c20-12-6-7-14-13(10-12)17(11-4-2-1-3-5-11)22-19(18(26)21-14)27-16(25)9-8-15(23)24;/h1-7,10,19H,8-9H2,(H,21,26)(H,23,24);/q;+1