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1507-92-2

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1507-92-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1507-92-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,0 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1507-92:
(6*1)+(5*5)+(4*0)+(3*7)+(2*9)+(1*2)=72
72 % 10 = 2
So 1507-92-2 is a valid CAS Registry Number.

1507-92-2Relevant articles and documents

A Convenient Palladium-Catalyzed Carbonylative Synthesis of (E)-3-Benzylidenechroman-4-ones

Wang, Wei-Feng,Peng, Jin-Bao,Qi, Xinxin,Ying, Jun,Wu, Xiao-Feng

supporting information, p. 3521 - 3524 (2019/02/14)

A convenient palladium-catalyzed carbonylation reaction for the efficient synthesis of (E)-3-benzylidenechroman-4-ones has been developed. Using TFBen as a solid CO source, a range of substituted (E)-3-benzylidenechroman-4-ones were prepared in moderate to good yields with 2-iodophenols and allyl chlorides as the substrates. Additionally, substituted quinolin-4(1H)-ones can also be obtained with 2-iodoaniline as the starting material.

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