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51802-04-1

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51802-04-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51802-04-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,8,0 and 2 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 51802-04:
(7*5)+(6*1)+(5*8)+(4*0)+(3*2)+(2*0)+(1*4)=91
91 % 10 = 1
So 51802-04-1 is a valid CAS Registry Number.

51802-04-1Relevant articles and documents

Synthesis of porphyrazine-octaamine, hexamine and diamine derivatives

Fuchter, Matthew J.,Beall, L. Scott,Baum, Sven M.,Montalban, Antonio Garrido,Sakellariou, Efstathia G.,Mani, Neelakandha S.,Miller, Todd,Vesper, Benjamin J.,White, Andrew J. P.,Williams, David J.,Barrett, Anthony G. M.,Hoffman, Brian M.

, p. 6115 - 6130 (2007/10/03)

The syntheses of a variety of substituted diaminomaleonitriles, with variable nitrogen substituents, were undertaken. Linstead macrocyclization of the resulting diaminomaleonitriles gave access to a wide range of functionalized porphyrazine-octaamines and

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