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778-23-4

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778-23-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 778-23-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,7 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 778-23:
(5*7)+(4*7)+(3*8)+(2*2)+(1*3)=94
94 % 10 = 4
So 778-23-4 is a valid CAS Registry Number.

778-23-4Upstream product

778-23-4Relevant articles and documents

Dilithium Diphenylmethanediide; Generation, Redox Relationship with Lithium Chlorodiphenylmethanide, Implication with Regard to Aggregation

Eikema Hommes, Nicolaas J. R. van,Bickelhaupt, Friedrich,Klumpp, Gerhard W.

, p. 438 - 440 (1991)

Dilithium diphenylmethanediide, Ph2CLi2, prepared by reaction of dichlorodiphenylmethane with lithium p,p'-di-tert-butylbiphenyl, reacts with organic halides and carbonyl compounds to give lithium chlorodiphenylmethanide, Ph2CLiCl, as a major product and is assumed to exist in two different states of aggregation.

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