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20912-11-2

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20912-11-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20912-11-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,9,1 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 20912-11:
(7*2)+(6*0)+(5*9)+(4*1)+(3*2)+(2*1)+(1*1)=72
72 % 10 = 2
So 20912-11-2 is a valid CAS Registry Number.

20912-11-2Relevant articles and documents

Novel reaction: Brominative aromatization of 2-alkyl(aryl)thio cyclohexanones

Samoshin, Vyacheslav V.,Kudryavtsev, Konstantin V.

, p. 7413 - 7414 (1994)

2-Alkyl(aryl)thio cyclohexanones are transformed into o-alkyl(aryl)thio phenols by treatment with bromine or N-bromosuccinimide.

AROMATIZATION OF 2-ALKYLTHIO(ARYLTHIO)-CYCLOHEXANONES DURING BROMINATION

Kudryavtsev, K. V.,Lonina, N. N.,Samoshin, V. A.

, p. 1425 - 1431 (2007/10/03)

When treated with bromine or N-bromosuccinimide under mild conditions, 2-alkylthio- and 2-arylthiocyclohexanones are converted into the corresponding o-alkylthio- and o-arylthiophenols.

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