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90490-41-8

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90490-41-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90490-41-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,4,9 and 0 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 90490-41:
(7*9)+(6*0)+(5*4)+(4*9)+(3*0)+(2*4)+(1*1)=128
128 % 10 = 8
So 90490-41-8 is a valid CAS Registry Number.

90490-41-8Relevant articles and documents

Synthesis of a diverse series of phosphacoumarins with biological activity

Li, Xueshu,Zhang, Dongwei,Pang, Hai,Shen, Feng,Fu, Hua,Jiang, Yuyang,Zhao, Yufen

, p. 4919 - 4922 (2007/10/03)

(Chemical Equation Presented) We have developed a general and efficient approach to a diverse series of phosphacoumarins as analogues of coumarins with various biological activities, and the inhibitory activity of the synthesized phosphacoumarins against the enzyme SHP-1, a protein tyrosine phosphatases, was tested. Some of them showed moderate to good efficiency.

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