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1613376-54-7

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1613376-54-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1613376-54-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,3,3,7 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1613376-54:
(9*1)+(8*6)+(7*1)+(6*3)+(5*3)+(4*7)+(3*6)+(2*5)+(1*4)=157
157 % 10 = 7
So 1613376-54-7 is a valid CAS Registry Number.

1613376-54-7Relevant articles and documents

Synthesis of triarylmethanes by palladium-catalyzed c-h/c-o coupling of oxazoles and diarylmethanol derivatives

Tabuchi, Sho,Hirano, Koji,Satoh, Tetsuya,Miura, Masahiro

, p. 5401 - 5411 (2014/07/08)

A PdCl2(MeCN)2/PPhCy2 catalyst couples oxazoles with diarylmethyl carbonates or pivalates to form the corresponding triarylmethanes in good yields. The catalysis involves successive secondary benzylic sp3 C-O and heteroaromatic sp2 C-H cleavages and provides an effective access to heteroarene-containing triarylmethanes from nonhalogenated and nonmetalated starting materials, which is complementary to precedented cross-coupling technologies with organic halides and organometallic reagents.

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