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1010101-15-1

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1010101-15-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1010101-15-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,0,1,0 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1010101-15:
(9*1)+(8*0)+(7*1)+(6*0)+(5*1)+(4*0)+(3*1)+(2*1)+(1*5)=31
31 % 10 = 1
So 1010101-15-1 is a valid CAS Registry Number.

1010101-15-1Relevant articles and documents

Scalable synthesis of functionalised 2-pyridones via [4+2] cycloaddition reactions of 2-pyrazinones and alkynylboronates

Harker, Wesley R.R.,Delaney, Patrick M.,Simms, Michael,Tozer, Matthew J.,Harrity, Joseph P.A.

, p. 1546 - 1552 (2013/02/25)

The multigram synthesis of N-protected 2-pyridone boronic acid derivatives via a [4+2] cycloaddition of alkynylboronates with 2-pyrazinones is presented. The reactions are highly chemoselective, and generally highly regioselective although trimethylsilyl-substituted alkynylboronates have proven to be an exception. Nonetheless, in this latter case, separation of regioisomers was successfully accomplished via high performance counter-current chromatography allowing isolation of analytically pure 2-pyridones. Further derivatisations of trimethylsilyl-substituted 2-pyridone boronates were performed providing access to a selection of functionalised scaffolds.

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