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1040239-23-3

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1040239-23-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1040239-23-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,0,2,3 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1040239-23:
(9*1)+(8*0)+(7*4)+(6*0)+(5*2)+(4*3)+(3*9)+(2*2)+(1*3)=93
93 % 10 = 3
So 1040239-23-3 is a valid CAS Registry Number.

1040239-23-3Relevant academic research and scientific papers

Catalytic synthesis of β3-amino acid derivatives from α-amino acids

Byrne, Christopher M.,Church, Tamara L.,Kramer, John W.,Coates, Geoffrey W.

, p. 3979 - 3983 (2008/12/23)

(Chemical Equation Presented) α goes to β! The catalytic ring-expansive carbonylation of oxazolines, easily derived from α-amino acids, to yield β-amino acid derivatives is described. The catalyst is [HCo(CO)4]; high yields are observed for mos

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