Cas 231612-22-9,C19H18N2O4

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Check Digit Verification of cas no

The CAS Registry Mumber 231612-22-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,1,6,1 and 2 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 231612-22:
(8*2)+(7*3)+(6*1)+(5*6)+(4*1)+(3*2)+(2*2)+(1*2)=89
89 % 10 = 9
So 231612-22-9 is a valid CAS Registry Number.

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231612-22-9Relevant academic research and scientific papers

A colorimetric ligand for mercuric ion

Bruemmer, Oliver,La Clair, James J.,Janda, Kim D.

, p. 415 - 418 (1999)

(equation presented) Practical materials are needed to expedite the detection and screening of heavy metals. This Letter describes the synthesis of a new phosphorodithioate-based ligand 1 that specifically communicates a color change when exposed to mercu

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