70210-18-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70210-18-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,2,1 and 0 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 70210-18:
(7*7)+(6*0)+(5*2)+(4*1)+(3*0)+(2*1)+(1*8)=73
73 % 10 = 3
So 70210-18-3 is a valid CAS Registry Number.
InChI:InChI=1/C25H18ClN7O13S4.4Na/c26-23-29-24(31-25(30-23)28-16-10-13(47(35,36)37)6-8-19(16)48(38,39)40)27-12-5-7-20(49(41,42)43)17(9-12)32-33-18-11-21(50(44,45)46)14-3-1-2-4-15(14)22(18)34;;;;/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/b33-18-;;;;