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156426-82-3

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156426-82-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156426-82-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,4,2 and 6 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 156426-82:
(8*1)+(7*5)+(6*6)+(5*4)+(4*2)+(3*6)+(2*8)+(1*2)=143
143 % 10 = 3
So 156426-82-3 is a valid CAS Registry Number.

156426-82-3Relevant articles and documents

Study of the reactions of 3-acetoacetyl-7-methyl-2H, 5H-pyrano[4,3-b]pyran-2,5-dione with aromatic amines

Boutemeur-Kheddis,Hamdi,Sellier,Silva

, p. 227 - 231 (2007/10/03)

The reactions of 3-acetoacetyl-7-methyl-2H,5H-pyrano[4,3-b]pyran-2,5-dione with aromatic amines afforded 3-(arylaminomethylene)-6-methylpyran-2,4-dione. Our results allowed the correction of the structures reported in the literature for the products of these reactions.

Novel Heterobimetallic Chelates: Condensation of 3-Acetoacetyl-7-methylpyranopyran-2,5-dione with Bis(1,3-diaminopropane)copper(II) Chloride and Group 4 and 14 Metal Tetrachlorides.

Siddiqi, Khwaja S.,Arjmand, Farukh,Mujeeb-ur-Rahman,Tabassum, Sartaj,Zaidi, Saiyid A.A.

, p. 383 - 392 (2007/10/02)

New heterobimetallic chelates of the type Cl2 (where M=Si, Ge, Sn, Ti and Zr) with tetra-coordinated transition and nontransition metals have been obtained.The complexes are ionic in DMSO.

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