128554-13-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128554-13-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,5,5 and 4 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 128554-13:
(8*1)+(7*2)+(6*8)+(5*5)+(4*5)+(3*4)+(2*1)+(1*3)=132
132 % 10 = 2
So 128554-13-2 is a valid CAS Registry Number.
InChI:InChI=1/C50H82N8O15/c1-14-28(6)39(60)30(8)24-31(9)41-29(7)19-20-50(69,73-41)49(11,68)48(67)54-38-40(27(4)5)72-47(66)37(32(10)59)53-42(61)33-17-15-21-51-56(33)44(63)35(23-26(2)3)55(12)43(62)36(25-71-13)58(70)45(64)34-18-16-22-52-57(34)46(38)65/h14,24,26-27,29-30,32-38,40-41,51-52,59,68-70H,15-23,25H2,1-13H3,(H,53,61)(H,54,67)/b28-14+,31-24+