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610769-34-1

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610769-34-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 610769-34-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,0,7,6 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 610769-34:
(8*6)+(7*1)+(6*0)+(5*7)+(4*6)+(3*9)+(2*3)+(1*4)=151
151 % 10 = 1
So 610769-34-1 is a valid CAS Registry Number.

610769-34-1Downstream Products

610769-34-1Relevant articles and documents

Novel benzoic acid congeners of bilirubin

Boiadjiev, Stefan E.,Lightner, David A.

, p. 7591 - 7604 (2007/10/03)

Three regioisomeric bilirubins and biliverdins with propionic acids replaced by benzoic acids were synthesized from the corresponding xanthobilirubic acids by oxidative coupling. The rubins were found to exhibit widely varying polarity, spectroscopic properties, and stereochemistry. The isomer with ortho benzoic acids (1o) was much less polar than either the meta (1m) or para (1p) because 1o (but not 1m and 1p) can adopt a folded conformation with both carboxylic acids intramolecularly hydrogen bonded to the opposing dipyrrinones. The consequences of such conformational differentiation are found in the varying 1H NMR, UV-vis, and circular dichroism spectral properties.

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