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13076-30-7

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13076-30-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13076-30-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,0,7 and 6 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 13076-30:
(7*1)+(6*3)+(5*0)+(4*7)+(3*6)+(2*3)+(1*0)=77
77 % 10 = 7
So 13076-30-7 is a valid CAS Registry Number.

13076-30-7Relevant articles and documents

Synthesis of 9,10-Diarylanthracenes via Mg(TMP) 2 ·2LiCl-Mediated Benzyne Generation/[4+2] Cycloaddition and Deoxygenation of 9,10-Epoxyanthracene Intermediates

Miyamoto, Naoya,Nakazawa, Yuki,Nakamura, Takanori,Okano, Kentaro,Sato, Sota,Sun, Zhe,Isobe, Hiroyuki,Tokuyama, Hidetoshi

, p. 513 - 518 (2017/12/08)

A new synthetic route to functionalized 9,10-diarylanthracenes has been developed. 9,10-Epoxyanthracene intermediates were prepared by [4+2] cycloaddition of 1,3-diarylisobenzofuran with a variety of functionalized benzyne intermediates, which were obtained by Mg(TMP) 2 ·2LiCl-mediated benzyne generation. For the cleavage of the resultant 9,10-epoxyanthracene intermediates, we developed mild deoxygenation conditions using a combination of trifluoroacetic acid and Et 3 SiH. The utility of this sequence was demonstrated by application to the synthesis of 5,7,12,14-tetraphenylpentacene.

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