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37472-97-2

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37472-97-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 37472-97-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,4,7 and 2 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 37472-97:
(7*3)+(6*7)+(5*4)+(4*7)+(3*2)+(2*9)+(1*7)=142
142 % 10 = 2
So 37472-97-2 is a valid CAS Registry Number.

37472-97-2Relevant articles and documents

Urea-linked, iodinated bis phenyl compounds for X-ray contrast media

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, (2008/06/13)

The invention provides iodinated bis phenyl compounds, useful as X-ray contrast agents, of formula I STR1 (wherein each C6 R5 moeity may be the same or different; each R denotes a hydrogen or iodine atom or a group M, two or three non-adjacent R groups on each C6 R5 moiety denoting iodine atoms and one, two or three R groups on each C6 R5 moiety denoting M groups; X denotes a group providing a 1, 2 or 3 atom chain linking the two C6 R5 groups, preferably where X is or contains in the bridging chain a carbonyloxy group each C6 R5 group being a triodophenyl group or a group in which each R is other than hydrogen; and each M is independently a non-ionic hydrophilic moiety, M preferably being a non-ionic hydrophilic moiety comprising a monohydroxy- or polyhydroxy-alkyl group) and isomers, especially stereoisomers and rotamers, thereof.

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