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74947-75-4

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74947-75-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74947-75-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,9,4 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 74947-75:
(7*7)+(6*4)+(5*9)+(4*4)+(3*7)+(2*7)+(1*5)=174
174 % 10 = 4
So 74947-75-4 is a valid CAS Registry Number.

74947-75-4Downstream Products

74947-75-4Relevant articles and documents

Aluminium Oxide Assisted Stereoselective Rearrangement of a Cyclopropyl Ketone to 4,5-Dihydrofuran

Alonso, Miguel E.,Morales, Angelina

, p. 4530 - 4532 (2007/10/02)

Contrary to the general observation that thermally and photochemically induced cyclopropyl ketone to dihydrofuran arrangements take place with partial loss of the stereochemical identity of the starting cyclopropane, a characteristic shared by the closely related vinylcyclopropanes and vinyloxiranes, a case of totally stereospecific, alumina-assisted cyclopropyl ketone to dihydrofuran rearrangement at room temperature was observed.

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