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53391-77-8

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53391-77-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 53391-77-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,3,9 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 53391-77:
(7*5)+(6*3)+(5*3)+(4*9)+(3*1)+(2*7)+(1*7)=128
128 % 10 = 8
So 53391-77-8 is a valid CAS Registry Number.

53391-77-8Relevant articles and documents

Modified coumarins. 11. Synthesis and biological activity of mannich bases of substituted 2,3-dihydrocyclopenta[c]chromen-4-ones

Garazd,Panteleimonova,Garazd,Khilya

, p. 330 - 336 (2003)

Mannich bases containing the dialkylaminomethyl group in the 6- and 8-positions of 2,3-dihydrocyclopenta[c]chromen-4-ones were prepared by condensation of 7- and 9-hydroxy-2,3-dihydrocyclopenta[c]chromen-4-ones with substituted 1,1-diaminomethanes. The effects of 8-chloro-7-hydroxy-6-(l- pyrrolidinylmethyl)-2,3-dihydrocyclopenta[c]chromen-4-one and 8-chloro-7-hydroxy-6-(morpholinomethyl)-2,3-dihydrocyclopenta[c]chromen-4-one on the central and peripheral nervous system were defined and enable the presence of tranquilizing and neuroleptic properties to be predicted.

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