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123045-89-6

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123045-89-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123045-89-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,0,4 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 123045-89:
(8*1)+(7*2)+(6*3)+(5*0)+(4*4)+(3*5)+(2*8)+(1*9)=96
96 % 10 = 6
So 123045-89-6 is a valid CAS Registry Number.

123045-89-6Upstream product

123045-89-6Downstream Products

123045-89-6Relevant articles and documents

Palladium-catalyzed C-H homocoupling of furans and thiophenes using oxygen as the oxidant

Li, Na-Na,Zhang, Yan-Lei,Mao, Shuai,Gao, Ya-Ru,Guo, Dong-Dong,Wang, Yong-Qiang

, p. 2732 - 2735 (2014)

A general and efficient palladium-catalyzed intermolecular direct C-H homocoupling of furans and thiophenes has been developed. The reaction is characterized by using molecular oxygen as the sole oxidant and complete C5-position regioselectivity. Both C2- and C3-substituted furans or thiophenes are appropriate substrates. The approach provides a straightforward, facile, and economical route to bifurans and bithiophenes under mild reaction conditions.

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