70865-27-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70865-27-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,8,6 and 5 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 70865-27:
(7*7)+(6*0)+(5*8)+(4*6)+(3*5)+(2*2)+(1*7)=139
139 % 10 = 9
So 70865-27-9 is a valid CAS Registry Number.
InChI:InChI=1/C21H16Cl2N6O8S2.2Na/c1-29(21-25-19(22)24-20(23)26-21)11-4-3-10-7-16(39(34,35)36)17(18(30)13(10)8-11)28-27-14-6-5-12(37-2)9-15(14)38(31,32)33;;/h3-9,27H,1-2H3,(H,31,32,33)(H,34,35,36);;/q;2*+1/p-2/b28-17+;;