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87774-21-8

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87774-21-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87774-21-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,7 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 87774-21:
(7*8)+(6*7)+(5*7)+(4*7)+(3*4)+(2*2)+(1*1)=178
178 % 10 = 8
So 87774-21-8 is a valid CAS Registry Number.

87774-21-8Downstream Products

87774-21-8Relevant articles and documents

Verdazyl radicals as substrates for organic synthesis: The synthesis and characterization of [12]-, [13]-, and [21]-paraheteraphanes

Cumaraswamy, Abbarna A.,Hamer, Gordon K.,Georges, Michael K.

, p. 1717 - 1722 (2012)

A tandem intermolecular-intramolecular 1,3-dipolar cycloaddition sequence with the bis-azomethine imine derived from a para-aryl-substituted bis-verdazyl radical has been used to form a series of [n]-paraheteraphanes, which form exclusively by a [1+1] dou

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