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77929-18-1

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77929-18-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77929-18-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,2 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77929-18:
(7*7)+(6*7)+(5*9)+(4*2)+(3*9)+(2*1)+(1*8)=181
181 % 10 = 1
So 77929-18-1 is a valid CAS Registry Number.

77929-18-1Relevant articles and documents

STEREOCHEMISTRY OF THE BASE-CATALYZED METHANOLYSIS OF 2-PHENYL-TETRAHYDROPYRROLO-1,3,2-OXAZAPHOSPHOLES

Koizumi, Toru,Yanada, Reiko,Takagi, Hiroyasu,Hirai, Hajime,Yoshii, Eiichi

, p. 477 - 480 (1981)

Diastereomerically pure bicyclic oxazaphospholes were prepared from L-prolinol and phenylphosphonic or thiophosphonic dichloride and their absolute configurations were determined based on the interpretation of NMR spectra.The base-catalyzed methanolysis o

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