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63049-09-2

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63049-09-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 63049-09-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,0,4 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 63049-09:
(7*6)+(6*3)+(5*0)+(4*4)+(3*9)+(2*0)+(1*9)=112
112 % 10 = 2
So 63049-09-2 is a valid CAS Registry Number.

63049-09-2Relevant articles and documents

EFFICIENT SYNTHESYS OF 2-VINYLCYCLOBUTANONES BY THE REARRANGEMENT OF 1-METHOXY-1-CYCLOPROPYLCARBINOLS UNDER NEUTRAL CONDITIONS

Cohen, Theodore,Brockunier, Linda

, p. 2917 - 2924 (2007/10/02)

A common synthesis of cyclobutanones involves the rearrangement of 1-alkoxy- or 1-(phenylthio)cyclopropylcarbinols under acidic conditions.We report that the synthetically useful 2-vinylcyclobutanones can be prepared in good yield in the absence of proton

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