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72771-51-8

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72771-51-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72771-51-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,7,7 and 1 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 72771-51:
(7*7)+(6*2)+(5*7)+(4*7)+(3*1)+(2*5)+(1*1)=138
138 % 10 = 8
So 72771-51-8 is a valid CAS Registry Number.

72771-51-8Downstream Products

72771-51-8Relevant articles and documents

The reaction of Wittig and Wittig-Horner reagents and alkyl phosphites with 1,2-naphthoquinone-1-benzimide

Arsanious, Mona H. N.

, p. 921 - 928 (2007/10/03)

Carbomethoxymethylene and carbethoxymethylene triphenylphosphoranes (Ia, b) react with 1,2-naphthoquinone-1-benzimide (8) to give the corresponding 1-benzoylimino-IH-naphthalen-2-ylidcne-acetic esters 9a,b and 2-(1-benzoylamino-naphthalen-2-yl)-but-2-ened

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