120500-21-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120500-21-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,5,0 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 120500-21:
(8*1)+(7*2)+(6*0)+(5*5)+(4*0)+(3*0)+(2*2)+(1*1)=52
52 % 10 = 2
So 120500-21-2 is a valid CAS Registry Number.
InChI:InChI=1/C60H97N11O14/c1-11-15-17-22-39-30-48(75)63-42(23-25-72)53(78)64-41(14-4)60(85)71-33-40(74)31-47(71)57(82)65-43(24-26-73)54(79)67-46(29-38-20-18-16-19-21-38)55(80)66-45(28-35(7)8)56(81)69-51(37(10)13-3)59(84)70-50(36(9)12-2)58(83)68-44(27-34(5)6)52(77)61-32-49(76)62-39/h14,16,18-21,34-37,39-40,42-47,50-51,72-74H,11-13,15,17,22-33H2,1-10H3,(H,61,77)(H,62,76)(H,63,75)(H,64,78)(H,65,82)(H,66,80)(H,67,79)(H,68,83)(H,69,81)(H,70,84)/b41-14-