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107550-89-0

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107550-89-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107550-89-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,5,5 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 107550-89:
(8*1)+(7*0)+(6*7)+(5*5)+(4*5)+(3*0)+(2*8)+(1*9)=120
120 % 10 = 0
So 107550-89-0 is a valid CAS Registry Number.

107550-89-0Relevant articles and documents

Novel fluorogenic substrates for imaging β-lactamase gene expression

Gao, Wenzhong,Xing, Bengang,Tsien, Roger Y.,Rao, Jianghong

, p. 11146 - 11147 (2003)

A new class of small nonfluorescent fluorogenic substrates becomes brightly fluorescent after β-lactamase hydrolysis with up to 153-fold enhancement in the fluorescence intensity. Less than 500 fM of β-lactamase in cell lysates can be readily detected, and β-lactamase expression in living cells can be imaged with a red fluorescence derivative. These new fluorogenic substrates should find uses in clinical diagnostics and facilitate the applications of β-lactamase as a biosensor. Copyright

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