201740-73-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201740-73-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,7,4 and 0 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 201740-73:
(8*2)+(7*0)+(6*1)+(5*7)+(4*4)+(3*0)+(2*7)+(1*3)=90
90 % 10 = 0
So 201740-73-0 is a valid CAS Registry Number.
InChI:InChI=1/3C8H4F13.N3.Sn/c3*1-2-3(9,10)4(11,12)5(13,14)6(15,16)7(17,18)8(19,20)21;1-3-2;/h3*1-2H2;;/q;;;-1;+1/rC24H12F39N3Sn/c25-7(26,10(31,32)13(37,38)16(43,44)19(49,50)22(55,56)57)1-4-67(66-65-64,5-2-8(27,28)11(33,34)14(39,40)17(45,46)20(51,52)23(58,59)60)6-3-9(29,30)12(35,36)15(41,42)18(47,48)21(53,54)24(61,62)63/h1-6H2