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31552-91-7

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31552-91-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31552-91-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,5,5 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 31552-91:
(7*3)+(6*1)+(5*5)+(4*5)+(3*2)+(2*9)+(1*1)=97
97 % 10 = 7
So 31552-91-7 is a valid CAS Registry Number.

31552-91-7Upstream product

31552-91-7Downstream Products

31552-91-7Relevant articles and documents

Determination of the chemical structure of potential organic impurities occurring in the drug substance opipramol

Luboch,Wagner-Wysiecka,Jamrogiewicz,Szczygelska-Tao,Magielka,Biernat

experimental part, p. 239 - 244 (2011/07/31)

The tricyclic antipsychotic and antidepressant drug opipramol (opipramole) was examined with regard to the chemical structure of its organic impurities. Impurities were isolated from the technical product by chromatographic methods and their chemical structures were established by 1H NMR, MS and FTIR and further confirmed by comparison with commercially available products or with products obtained by independent synthesis, and in one case additionally by X-ray structure analysis.

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