623588-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 623588-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,3,5,8 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 623588-40:
(8*6)+(7*2)+(6*3)+(5*5)+(4*8)+(3*8)+(2*4)+(1*0)=169
169 % 10 = 9
So 623588-40-9 is a valid CAS Registry Number.
623588-40-9Relevant academic research and scientific papers
PROCESS FOR THE MANUFACTURE OF 4-FLUORO-ANTHRANILIC ACID
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Page/Page column 6-7, (2008/06/13)
The present invention concerns a process for preparing 4-fluoro-anthranilic acid by nitration, reduction and hydrolysis of an alkyl 3-chloro-4-fluorobenzoate.
