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1043906-47-3

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1043906-47-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1043906-47-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,3,9,0 and 6 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1043906-47:
(9*1)+(8*0)+(7*4)+(6*3)+(5*9)+(4*0)+(3*6)+(2*4)+(1*7)=133
133 % 10 = 3
So 1043906-47-3 is a valid CAS Registry Number.

1043906-47-3Downstream Products

1043906-47-3Relevant articles and documents

Efficient synthesis of monosubstituted 3-alkynylfurans via Suzuki coupling

Yang, Xiaobao,Zhu, Li,Zhou, Yuedong,Li, Zhong,Zhai, Hongbin

, p. 1729 - 1732 (2008/12/22)

A convenient synthesis of monosubstituted 3-alkynyl-furans by Suzuki coupling reaction of 3-furanylboronic acid with substituted acetylene bromides is described. The internal alkyne products were attainable in 50-89% yields from substrates free of relatively acidic protons. Our protocol is expected to find applications in the synthesis of structurally related natural products.

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