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90812-84-3

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90812-84-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90812-84-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,1 and 2 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 90812-84:
(7*9)+(6*0)+(5*8)+(4*1)+(3*2)+(2*8)+(1*4)=133
133 % 10 = 3
So 90812-84-3 is a valid CAS Registry Number.

90812-84-3Downstream Products

90812-84-3Relevant articles and documents

The Reaction of Alkyllithium Reagents with Furan-3-carboxylic Acid. A Synthesis of 4-(Furan-3'-yl)-1-methylbutyltriphenylphosphonium Iodide

Dimitriadis, Eugene,Massy-Westropp, Ralph A.

, p. 619 - 627 (2007/10/02)

The ketones, 4-benzyloxy-1-(furan-3'-yl)pentan-1-one and 4-benzyloxy-1-(furan-3'-yl(butan-1-one, have been prepared by generating the required alkyllithium reagent in the presence of lithium furan-3-carboxylate.The latter ketone has been transformed to 4-(furan-3'-yl)-1-methylbutyltriphenylphosphonium iodide.

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