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59743-94-1

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59743-94-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 59743-94-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,9,7,4 and 3 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 59743-94:
(7*5)+(6*9)+(5*7)+(4*4)+(3*3)+(2*9)+(1*4)=171
171 % 10 = 1
So 59743-94-1 is a valid CAS Registry Number.

59743-94-1Downstream Products

59743-94-1Relevant articles and documents

Photochemical Dehydrogenation of 3-Acetyl-3,4-dihydrocoumarin

Petkov, Ivan,Bojilova, Anka,Markov, Peter

, p. 85 - 87 (1990)

The ultraviolet irradiation of air-saturated alcoholic solutions of 3-acetyl-3,4-dihydrocoumarin (1) leads to the formation of 3-acetylcoumarin (2) and 3,3'-diacetyl-3,3',4,4'-tetrahydro-4,4'-biscoumarin (3).The presence of molecular oxygen is an indispensable condition for the occurence of a photodehydrogenation process, which is quantitatively when effected on silica gel.

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