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1129633-91-5

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1129633-91-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1129633-91-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,2,9,6,3 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1129633-91:
(9*1)+(8*1)+(7*2)+(6*9)+(5*6)+(4*3)+(3*3)+(2*9)+(1*1)=155
155 % 10 = 5
So 1129633-91-5 is a valid CAS Registry Number.

1129633-91-5Relevant academic research and scientific papers

Stereoselective dabco-catalyzed synthesis of (E)-α-Ethynyl-α, β-unsaturated esters from allenyl acetates

Choe, Yongsik,Lee, Phil Ho

, p. 1445 - 1448 (2009)

(E)-α-Ethynyl-α,β-unsaturated esters were exclusively prepared in good to excellent yields from treatment of allenyl acetates with 10 mol % DABCO in DMF at room temperature.

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