Cas 1236996-20-5,C44H48N4O2

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Check Digit Verification of cas no

The CAS Registry Mumber 1236996-20-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,6,9,9 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1236996-20:
(9*1)+(8*2)+(7*3)+(6*6)+(5*9)+(4*9)+(3*6)+(2*2)+(1*0)=185
185 % 10 = 5
So 1236996-20-5 is a valid CAS Registry Number.

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1236996-20-5Relevant articles and documents

New fluorescent and colorimetric chemosensors based on the rhodamine and boronic acid groups for the detection of Hg2+

Kim, Sook Kyung,Swamy,Chung, So-Young,Kim, Ha Na,Kim, Min Jung,Jeong, Yongsuk,Yoon, Juyoung

experimental part, p. 3286 - 3289 (2010/07/18)

Novel rhodamine B (RB) derivatives bearing mono and bis-boronic acid groups were investigated as Hg2+ selective fluorescent and colorimetric sensors. These derivatives are first examples of reversible fluorescent chemosensors for Hg2+/sup

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1236996-20-5