Cas 54517-55-4,Phosphorane, (4-methylpentylidene)triphenyl-

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Check Digit Verification of cas no

The CAS Registry Mumber 54517-55-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,5,1 and 7 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 54517-55:
(7*5)+(6*4)+(5*5)+(4*1)+(3*7)+(2*5)+(1*5)=124
124 % 10 = 4
So 54517-55-4 is a valid CAS Registry Number.

54517-55-4Upstream product

70240-41-4 4-methyl-1-pentyltriphenylphopshonium bromide

54517-55-4Downstream Products

54517-55-4Relevant articles and documents

A MODEL FOR TRITERPENE SIDE-CHAIN SYNTHESIS

Gibson, Joseph R.,Reusch, William

, p. 55 - 59 (1983)

Although the hindered CO function in trans-1,6-dimethyl-2-methoxybicyclononan-7-one (1) resists nucleophilic addition and is prone to enolate formation, good yields of addition products from trimethylsilyl cyanide, methylenetriphenylphosphorane and

Pheromones, XXV. Alkyl-branched analogues of lepidopteran pheromones

Bestmann,Roesel,Vostrowsky

, p. 1189 - 1204 (2007/10/10)

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54517-55-4