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1272542-12-7

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1272542-12-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1272542-12-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,2,5,4 and 2 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1272542-12:
(9*1)+(8*2)+(7*7)+(6*2)+(5*5)+(4*4)+(3*2)+(2*1)+(1*2)=137
137 % 10 = 7
So 1272542-12-7 is a valid CAS Registry Number.

1272542-12-7Downstream Products

1272542-12-7Relevant articles and documents

PROCESS FOR THE PREPARATION OF 3- AND 4-(PENTAFLUOROSULFANYL)BENZENES

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Page/Page column 10; 11, (2012/04/23)

Process for the preparation of substituted 3- and 4-(pentafluorosulfanyI)benzenes of general formula 3 and 4 by nucleophilic aromatic substitution, where nitrobenzene having pentafiuorosulfanyl group connected in position 3 or 4 is allowed to react in concentration range 0.01 to 8.0 mol.l-1 with compound RY-M+, where R is selected from a group comprising saturated, unsaturated, acyclic, cyclic or aromatic, substituted or unsubstituted carbon chain, Y is the element of VI. B group and M+ is the metal ion, in an organic solvent. The invention includes also further chemical modifications of primary products.

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