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148917-41-3

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148917-41-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 148917-41-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,9,1 and 7 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 148917-41:
(8*1)+(7*4)+(6*8)+(5*9)+(4*1)+(3*7)+(2*4)+(1*1)=163
163 % 10 = 3
So 148917-41-3 is a valid CAS Registry Number.

148917-41-3Relevant articles and documents

Chemoenzymatic synthesis of a versatile cyclopentenone: (+)-(3aS,6aS)-2,2-dimethyl-3aβ,6aβ-dihydro-4H-cyclopenta-1,3-dioxol- 4-one

Biadatti, Thibaud,Esker, John L.,Johnson, Carl R.

, p. 2313 - 2320 (2007/10/03)

The title cyclopentenone has been prepared by enzymatic resolution of cis-4-phenyloxy- and cis-4-(4-methoxyphenyloxy)-cyclopent-2-en-1-ol in isopropenyl acetate using Pseudomonas cepacia lipase. The use of a 4-methoxyphenyloxy-alcohol intermediate enabled the use of both enzymatically resolved enantiomers in the synthesis of the desired (+)-enone.

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