11031-38-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 11031-38-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,1,0,3 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 11031-38:
(7*1)+(6*1)+(5*0)+(4*3)+(3*1)+(2*3)+(1*8)=42
42 % 10 = 2
So 11031-38-2 is a valid CAS Registry Number.
InChI:InChI=1/C48H46N4O20/c1-17-11-19(3)40(39(59)42(60)48(6)16-49-30-36(56)23-12-18(2)34(54)29(33(17)53)28(23)38(58)41(30)72-48)71-46(63)32-37(57)26(69-27-15-47(5,52(64)65)43(67-8)20(4)68-27)14-24(50-32)44(61)51-31-35(55)22-10-9-21(66-7)13-25(22)70-45(31)62/h9-14,19-20,27,39-40,43,49,54,57,59,62H,15-16H2,1-8H3,(H,51,61)/b17-11-