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250226-81-4

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250226-81-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 250226-81-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,0,2,2 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 250226-81:
(8*2)+(7*5)+(6*0)+(5*2)+(4*2)+(3*6)+(2*8)+(1*1)=104
104 % 10 = 4
So 250226-81-4 is a valid CAS Registry Number.

250226-81-4Downstream Products

250226-81-4Relevant articles and documents

A general strategy for the convergent synthesis of fused polycyclic ethers via B-alkyl Suzuki coupling: Synthesis of the ABCD ring fragment of ciguatoxins

Sasaki, Makoto,Ishikawa, Makoto,Fuwa, Haruhiko,Tachibana, Kazuo

, p. 1889 - 1911 (2007/10/03)

A new method for convergent coupling of fused polycyclic ethers has been developed, which relies on B-alkyl Suzuki crosscoupling of lactone-derived enol triflates or phosphates. The strategy was successfully applied to a convergent synthesis of the ABCD r

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