100490-94-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100490-94-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,4,9 and 0 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 100490-94:
(8*1)+(7*0)+(6*0)+(5*4)+(4*9)+(3*0)+(2*9)+(1*4)=86
86 % 10 = 6
So 100490-94-6 is a valid CAS Registry Number.
100490-94-6Relevant articles and documents
Preparation method of tosufloxacin tosylate monohydrate
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Paragraph 0024-0027, (2019/08/02)
The invention provides a preparation method of tosufloxacin tosylate monohydrate, the method uses 7-(3-aminopyrrolidine-1-yl)-1-(2,4-difluorophenyl)-6-fluoro-4-oxo-1,4-dihydro-[1,8] naphthyridine-3-carboxylic acid ethyl ester as a tosufloxacin tosylate sy