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77014-57-4

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77014-57-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77014-57-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,0,1 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77014-57:
(7*7)+(6*7)+(5*0)+(4*1)+(3*4)+(2*5)+(1*7)=124
124 % 10 = 4
So 77014-57-4 is a valid CAS Registry Number.

77014-57-4Upstream product

77014-57-4Relevant articles and documents

Syntheses and spectral characterization of 2-aryloxy - 5,5′- bis(bromomethyl)-1,3,2P-dioxaphosphorinane 2-oxides

Stephen Babu,Anasuyamma,Venugopal,Naga Raju,Suresh Reddy

, p. 1248 - 1251 (2007/10/03)

2-Aryloxy-5,5′-bis(bromomethyl)-1,3,2-dioxaphosphorinane 2-oxides 3 have been synthesized by the reaction of 2,2′-bis(bromomethyl)-1,3- propanediol 1 with various arvlphosphorodichloridates 2a-h in the presence of triethylamine in dry tetrahydrofuran at room temperatuure. Their 1H, 13C, 31P NMR and mass spectral data are discussed.

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