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54437-68-2

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54437-68-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54437-68-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,4,3 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 54437-68:
(7*5)+(6*4)+(5*4)+(4*3)+(3*7)+(2*6)+(1*8)=132
132 % 10 = 2
So 54437-68-2 is a valid CAS Registry Number.

54437-68-2Relevant articles and documents

Ink composition for oxygen indicator and an oxygen indicator using the same, and a packaging material containing

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, (2007/10/13)

PROBLEM TO BE SOLVED: To provide an ink composition for an oxygen indicator wherein a reductant acts for the first time in high-temperature sterilization treatment and wherein a reducing color is exhibited when an oxygen concentration is 1% or less in a package body, an oxygen indicator using the same, and a packaging material containing the oxygen indicator. SOLUTION: The ink composition for the oxygen indicator contains a thermally stable coloring agent not discolored by the reductant other than a redox pigment, and a color tone thereof changed from an oxidizing color to the reducing color in the high-temperature sterilization treatment. The ink composition is applied or printed on a support to obtain the oxygen indicator. In this packaging material containing the oxygen indicator, the support is formed separately from an outer package forming the package, or the outer package forming the package serves as the support. COPYRIGHT: (C)2007,JPOandINPIT

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