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139026-54-3

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139026-54-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139026-54-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,0,2 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 139026-54:
(8*1)+(7*3)+(6*9)+(5*0)+(4*2)+(3*6)+(2*5)+(1*4)=123
123 % 10 = 3
So 139026-54-3 is a valid CAS Registry Number.
InChI:InChI=1/C30H43N7O6/c1-3-18(2)25(26(31)40)37-27(41)22(10-7-15-34-30(32)33)35-28(42)23(16-20-11-13-21(38)14-12-20)36-29(43)24(39)17-19-8-5-4-6-9-19/h4-6,8-9,11-14,18,22-25,38-39H,3,7,10,15-17H2,1-2H3,(H2,31,40)(H,35,42)(H,36,43)(H,37,41)(H4,32,33,34)/t18-,22-,23-,24-,25-/m0/s1

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