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129391-97-5

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129391-97-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129391-97-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,3,9 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 129391-97:
(8*1)+(7*2)+(6*9)+(5*3)+(4*9)+(3*1)+(2*9)+(1*7)=155
155 % 10 = 5
So 129391-97-5 is a valid CAS Registry Number.
InChI:InChI=1/C17H17N12O16P3/c18-13-10-14(22-5-21-13)28(17(23-10)25-27-20)15-11(30)12(43-16(31)7-3-6(24-26-19)1-2-8(7)29(32)33)9(42-15)4-41-47(37,38)45-48(39,40)44-46(34,35)36/h1-3,5,9,11-12,15,30H,4H2,(H,37,38)(H,39,40)(H2,18,21,22)(H2,34,35,36)/t9-,11-,12-,15-/m1/s1

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