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90420-78-3

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90420-78-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90420-78-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,4,2 and 0 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 90420-78:
(7*9)+(6*0)+(5*4)+(4*2)+(3*0)+(2*7)+(1*8)=113
113 % 10 = 3
So 90420-78-3 is a valid CAS Registry Number.

90420-78-3Relevant articles and documents

Phosphororganische Verbindungen 106. Die Synthese Optisch Aktiver Tertiaerer Phosphine und Phosphinoxide mit Ortho-Substituierten Arylliganden

Horner, L.,Simons, G.

, p. 77 - 90 (2007/10/02)

Compounds of the type C6H5Y (Y=OR, -NMe2), are lithiated with n-butyllithium (n-BuLi) in the ortho-position according (1) and transformed by special reactions to compounds of the type I and II. The representatives 7-22 of the type I with Y=OR ar

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