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1619228-51-1

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1619228-51-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1619228-51-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,9,2,2 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1619228-51:
(9*1)+(8*6)+(7*1)+(6*9)+(5*2)+(4*2)+(3*8)+(2*5)+(1*1)=171
171 % 10 = 1
So 1619228-51-1 is a valid CAS Registry Number.

1619228-51-1Relevant articles and documents

Halogen effect on tandem [4+2] cycloaddition/aromatization sequence of allenyl 2-halo-3-vinylcyclohex-2-enyl ether

Hatae, Noriyuki,Suzuki, Ichiro,Choshi, Tominari,Hibino, Satoshi,Okada, Chiaki,Toyota, Eiko

, p. 4146 - 4148 (2014/07/22)

Steric and enthalpic effects of substituents on diene moieties play a crucial role in intramolecular cycloaddition reactions. Allenyl 2-halogenated-3-vinylcyclohex-2-enyl ethers underwent a tandem [4+2] cycloaddition/aromatization reaction to afford the corresponding tetrahydro-3H-naphtho[1,8-bc]furan compound in high yield.

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