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1143446-28-9

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1143446-28-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1143446-28-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,3,4,4 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1143446-28:
(9*1)+(8*1)+(7*4)+(6*3)+(5*4)+(4*4)+(3*6)+(2*2)+(1*8)=129
129 % 10 = 9
So 1143446-28-9 is a valid CAS Registry Number.

1143446-28-9Downstream Products

1143446-28-9Relevant academic research and scientific papers

Concise strategy for the synthesis of elevenmembered and ansa-bridged thirteen-membered lactone macrolides by ring-closing metathesis reaction

Majumdar, Krishna C.,Chattopadhyay, Buddhadeb,Ansary, Inul

experimental part, p. 472 - 477 (2009/10/17)

The eleven-membered macrolides and thirteen-membered ansa-bridged macrolides have been synthesized successfully ring-closing metathesis reaction in the absence of the additive Ti(OiPr)4, which is essential for the metathesis of the ester precursors.

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