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178907-11-4

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178907-11-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 178907-11-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,9,0 and 7 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 178907-11:
(8*1)+(7*7)+(6*8)+(5*9)+(4*0)+(3*7)+(2*1)+(1*1)=174
174 % 10 = 4
So 178907-11-4 is a valid CAS Registry Number.

178907-11-4Downstream Products

178907-11-4Relevant 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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