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120933-57-5

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120933-57-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120933-57-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,9,3 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 120933-57:
(8*1)+(7*2)+(6*0)+(5*9)+(4*3)+(3*3)+(2*5)+(1*7)=105
105 % 10 = 5
So 120933-57-5 is a valid CAS Registry Number.

120933-57-5Relevant articles and documents

Syntheses of Some Hexacarboxylic Acid Derivatives of Hexaazatriphenylene

Kanakarajan, K.,Czarnik, Anthony W.

, p. 1869 - 1872 (2007/10/02)

Synthetic methods and product characterizations for the conversions of 1,4,5,8,9,12-hexaazatriphenylenehexacarboxylic acid to the corresponding triester triacid, triamic acid, triimide, triester triacid chloride, trimethyl triethyl hexaester, trimethyl ester tri(N,N-dimethyl)amide, hexaamide, tri(N,N-dimethyl)amide triacid, tri(N,N-dimethyl)amide triacid chloride, and trisphthalhydrazide derivatives are described.

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