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160721-29-9

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160721-29-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 160721-29-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,0,7,2 and 1 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 160721-29:
(8*1)+(7*6)+(6*0)+(5*7)+(4*2)+(3*1)+(2*2)+(1*9)=109
109 % 10 = 9
So 160721-29-9 is a valid CAS Registry Number.

160721-29-9Relevant articles and documents

Efficient synthesis of 1-Benzyloxyphenyl-3-phenylacetones

Mannekens,Tourwe,Lubell

, p. 1214 - 1216 (2007/10/03)

1-[(Benzyloxy)phenyl]-3-phenylacetones 1a-c have been conveniently synthesized by acylation of the PhCH2Li-DABCO complex with their respective N-methyl O-methyl hydroxamates 5a-c. In four steps, ketones 1a-c having ortho-, meta- and para-benzyloxy substituents were obtained in 42-51% overall yields from commercially available 2-(hydroxyphenyl)acetic acids.

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