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1173881-89-4

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1173881-89-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1173881-89-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,3,8,8 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1173881-89:
(9*1)+(8*1)+(7*7)+(6*3)+(5*8)+(4*8)+(3*1)+(2*8)+(1*9)=184
184 % 10 = 4
So 1173881-89-4 is a valid CAS Registry Number.

1173881-89-4Downstream Products

1173881-89-4Relevant articles and documents

Convenient and highly effective fluorescence sensing for Hg2+ in aqueous solution and thin film

Liu, Yu,Yu, Miao,Chen, Yong,Zhang, Ning

, p. 3887 - 3891 (2009)

A quinolinocyclodextrin, that is, MQAS-β-cyclodextrin (MQAS = N-(2-methyl-8-amino- quinolyl)-p-aminobenzene sulfonamide) was synthesized. Further experiments showed that it could form very stable stoichiometric 2:1 complex with Zn2+ in water. Significantly, the resultant quinolinocyclodextrin/Zn2+ complex showed the specific fluorescence response to Hg2+ over other metal ions, which could be readily distinguished in either aqueous solution or the PVA-based thin film. This finding would enable Zn·32 complex as a convenient and highly efficient fluorescence sensor for the detection of Hg2+.

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