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89358-54-3

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89358-54-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89358-54-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,3,5 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 89358-54:
(7*8)+(6*9)+(5*3)+(4*5)+(3*8)+(2*5)+(1*4)=183
183 % 10 = 3
So 89358-54-3 is a valid CAS Registry Number.

89358-54-3Relevant articles and documents

Synthesis of β-(Diphenylphosphinoyl) Ketones

Bell, Andrew,Davidson, Alan H.,Earnshaw, Chris,Norrish, Howard K.,Torr, Richard S.,et al.

, p. 2879 - 2892 (2007/10/02)

The title compounds may be made by addition of phosphorus nucleophiles (Ph2PO-, Ph2POMgX, Ph2PCl) to enones, by addition of phosphorus-stabilised carbanions to a α-carbonyl cation equivalents (2,3-dichloropropene, epoxides, and α-MeO-ketones) and by oxidation of allyl diphenylphosphine oxides.

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