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835-57-4

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835-57-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 835-57-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,3 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 835-57:
(5*8)+(4*3)+(3*5)+(2*5)+(1*7)=84
84 % 10 = 4
So 835-57-4 is a valid CAS Registry Number.

835-57-4Relevant articles and documents

REACTIONS OF AROMATIC NITRO COMPOUNDS. LVI. REACTION OF POLYNITRODIPHENYL SULFONES WITH ACETONE AND POTASSIUM HYDROXIDE

Alekhina, N. N.,Gitis, S. S.,Grudtsyn, Yu. D.,Kaminskii, A. Ya.

, p. 1138 - 1142 (2007/10/02)

The Yanovskii ? complexes of 2,4-dinitrophenyl sulfone and 2,4-dinitro-, 2,4,4'-trinitro-, and 2,2',4,4'-tetranitrodiphenylsulfones were obtained and isolated in the crystalline form.It was established by PMR, IR, and electronic spectroscopy that they are

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