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1440207-67-9

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1440207-67-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1440207-67-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,0,2,0 and 7 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1440207-67:
(9*1)+(8*4)+(7*4)+(6*0)+(5*2)+(4*0)+(3*7)+(2*6)+(1*7)=119
119 % 10 = 9
So 1440207-67-9 is a valid CAS Registry Number.

1440207-67-9Downstream Products

1440207-67-9Relevant academic research and scientific papers

Ratiometric pH responsive fluorescent probes operative on ESIPT

Chan, Yim-Pan,Fan, Li,You, Qihua,Chan, Wing-Hong,Lee, Albert W.M.,Shuang, Shaomin

, p. 5874 - 5879 (2013/07/27)

A series of C-8′-oxime-appended spirobenzopyrans 4a-4d were synthesized and developed as fluorescent pH ratiometric probes operative in HEPES/ACN (8:2, v/v) buffer solutions. Acidochromic conversion of spirobenzopyran to merocyanine open form can facilita

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