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631898-48-1

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631898-48-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 631898-48-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,1,8,9 and 8 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 631898-48:
(8*6)+(7*3)+(6*1)+(5*8)+(4*9)+(3*8)+(2*4)+(1*8)=191
191 % 10 = 1
So 631898-48-1 is a valid CAS Registry Number.

631898-48-1Downstream Products

631898-48-1Relevant articles and documents

Synthesis, and antimycobacterial and cytotoxic evaluation of certain fluoroquinolone derivatives

Sheu, Jia-Yuh,Chen, Yeh-Long,Tzeng, Cherng-Chyi,Hsu, Shu-Lin,Fang, Kuo-Chang,Wang, Tai-Chi

, p. 2481 - 2489 (2007/10/03)

Certain 1-ethyl- and 1-aryl-6-fluoro-1,4-dihydroquinol-4-one derivatives were synthesized and evaluated for antimycobacterial and cytotoxic activities. Preliminary results indicated that, for 1-aryl-6-fluoroquinolones, both 7-(piperazin-1-yl)- and 7-(4-me

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