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331950-37-9

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331950-37-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 331950-37-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,1,9,5 and 0 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 331950-37:
(8*3)+(7*3)+(6*1)+(5*9)+(4*5)+(3*0)+(2*3)+(1*7)=129
129 % 10 = 9
So 331950-37-9 is a valid CAS Registry Number.

331950-37-9Downstream Products

331950-37-9Relevant academic research and scientific papers

Fluorination of 4-nitroisoxazoline salts. Synthesis of 4-fluoro-4- nitroisoxazolines and 4-fluoroisoxazoles

Khisamutdinov,Okhlobystina,Fainzil'Berg

experimental part, p. 2182 - 2184 (2011/01/08)

Methods for the synthesis of hitherto unknown 4-fluoro-4-nitroisoxazolines by fluorination of 4-nitroisoxazoline salts with FClO3 in MeOH and 4-fluoroisoxazoles by treatment of fluoronitroisoxazolines bearing the hydrogen atom bound to the C(5)

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