76663-52-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76663-52-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,6,6 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 76663-52:
(7*7)+(6*6)+(5*6)+(4*6)+(3*3)+(2*5)+(1*2)=160
160 % 10 = 0
So 76663-52-0 is a valid CAS Registry Number.
InChI:InChI=1/C61H109N11O13/c1-20-37(9)22-23-48(76)72-33-39(11)30-46(72)54(81)66-45(29-38(10)28-42(74)31-41(73)21-2)52(79)68-49(50(77)36(7)8)55(82)70-60(15,16)57(84)67-43(26-34(3)4)51(78)65-44(27-35(5)6)53(80)69-61(17,18)58(85)71-59(13,14)56(83)63-25-24-47(75)64-40(12)32-62-19/h22-23,34-40,42-46,49-50,62,74,77H,20-21,24-33H2,1-19H3,(H,63,83)(H,64,75)(H,65,78)(H,66,81)(H,67,84)(H,68,79)(H,69,80)(H,70,82)(H,71,85)/b23-22+