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85335-84-8

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85335-84-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 85335-84-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,3,3 and 5 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 85335-84:
(7*8)+(6*5)+(5*3)+(4*3)+(3*5)+(2*8)+(1*4)=148
148 % 10 = 8
So 85335-84-8 is a valid CAS Registry Number.

85335-84-8Relevant articles and documents

The Robinson Transposition Reaction. Conjugate-Addition/Intramolecular Wittig Reactions of Enolates with triphenylphosphonium Chloride

Pariza, R. J.,Fuchs, P. L.

, p. 2304 - 2306 (1983)

The phosphonium salt described reacts with certain enolates to produce dienyl sulfides that may be subsequently hydrolyzed to afford enones that are regiotransposed relative to the standard Robinson annulation product.

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