83221-48-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83221-48-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,2,2 and 1 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 83221-48:
(7*8)+(6*3)+(5*2)+(4*2)+(3*1)+(2*4)+(1*8)=111
111 % 10 = 1
So 83221-48-1 is a valid CAS Registry Number.
InChI:InChI=1/C44H33N9O17S5.5Na/c1-2-70-39-22-38(50-49-37-16-15-36(29-11-9-27(19-32(29)37)73(61,62)63)48-46-23-5-3-7-25(17-23)71(55,56)57)33-20-28(74(64,65)66)10-12-30(33)42(39)52-53-43-40(75(67,68)69)21-34-31(44(43)54)13-14-35(45)41(34)51-47-24-6-4-8-26(18-24)72(58,59)60;;;;;/h3-22,52H,2,45H2,1H3,(H,55,56,57)(H,58,59,60)(H,61,62,63)(H,64,65,66)(H,67,68,69);;;;;/q;5*+1/p-5/b48-46+,50-49+,51-47+,53-43+;;;;;