83270-37-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83270-37-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,2,7 and 0 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 83270-37:
(7*8)+(6*3)+(5*2)+(4*7)+(3*0)+(2*3)+(1*7)=125
125 % 10 = 5
So 83270-37-5 is a valid CAS Registry Number.
InChI:InChI=1/C25H18ClN7O13S4.4Na/c26-23-29-24(27-13-5-7-14(8-6-13)47(35,36)37)31-25(30-23)28-17-11-15(48(38,39)40)9-12-10-19(50(44,45)46)21(22(34)20(12)17)33-32-16-3-1-2-4-18(16)49(41,42)43;;;;/h1-11,32H,(H,35,36,37)(H,38,39,40)(H,41,42,43)(H,44,45,46)(H2,27,28,29,30,31);;;;/q;4*+1/p-4/b33-21-;;;;