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238420-22-9

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238420-22-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 238420-22-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,8,4,2 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 238420-22:
(8*2)+(7*3)+(6*8)+(5*4)+(4*2)+(3*0)+(2*2)+(1*2)=119
119 % 10 = 9
So 238420-22-9 is a valid CAS Registry Number.

238420-22-9Relevant articles and documents

Method for producing optically active phenylpropionic acid derivative

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Page column 8-9, (2008/06/13)

Optically active N-(S-2-acetylthiomethyl-1-oxo-3-phenylpropyl)-glycine benzyl ester useful as an enkephalin inhibitory agent or ACE inhibitory agent can be produced at low cost in an industrial manner, by a method comprising subjecting optically active 2-hydroxymethyl-3-phenylpropionic acid and glycine benzyl ester to condensation to subsequently convert the hydroxyl group into an elimination group, and substituting the elimination group with an acetylthio group.

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