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1338245-78-5

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1338245-78-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1338245-78-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,8,2,4 and 5 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1338245-78:
(9*1)+(8*3)+(7*3)+(6*8)+(5*2)+(4*4)+(3*5)+(2*7)+(1*8)=165
165 % 10 = 5
So 1338245-78-5 is a valid CAS Registry Number.

1338245-78-5Relevant academic research and scientific papers

Base-free two-step synthesis of 1,3-diketones and β-ketoesters from α-diazocarbonyl compounds, trialkylboranes, and aromatic aldehydes

Sanchez-Carmona, Miguel A.,Contreras-Cruz, David A.,Miranda, Luis D.

supporting information; experimental part, p. 6506 - 6508 (2011/11/05)

We describe a convergent, base-free two-step synthesis of 1,3-diketones and β-ketoesters from α-diazocarbonyl compounds, trialkylboranes, and aromatic aldehydes in a three-component process. The synthetic potential of this protocol was underscored by the

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