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20443-14-5

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20443-14-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20443-14-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,4,4 and 3 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 20443-14:
(7*2)+(6*0)+(5*4)+(4*4)+(3*3)+(2*1)+(1*4)=65
65 % 10 = 5
So 20443-14-5 is a valid CAS Registry Number.

20443-14-5Relevant academic research and scientific papers

Efficient synthesis of new (R)-2-amino-1-butanol derived ureas, thioureas and acylthioureas and in vitro evaluation of their antimycobacterial activity

Dobrikov, Georgi M.,Valcheva, Violeta,Nikolova, Yana,Ugrinova, Iva,Pasheva, Evdokia,Dimitrov, Vladimir

supporting information, p. 468 - 473 (2013/07/25)

The synthesis of 22 structurally diverse urea, thiourea and acylthiourea derivatives containing the (R)-2-amino-1-butanol motif has been performed. The evaluation of their in vitro activity against Mycobacterium tuberculosis (H 37Rv and strain

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