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17153-02-5

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17153-02-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17153-02-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,1,5 and 3 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 17153-02:
(7*1)+(6*7)+(5*1)+(4*5)+(3*3)+(2*0)+(1*2)=85
85 % 10 = 5
So 17153-02-5 is a valid CAS Registry Number.

17153-02-5Relevant articles and documents

Asymmetric synthesis of all stereoisomers of a-methylthreonine using an organocatalytic steglich rearrangement reaction as a key step

Dietz, Friedrich R.,Groeger, Harald

, p. 4208 - 4218 (2011/04/12)

An efficient synthetic route to all four stereoisomers of a-methylthreonine has been established. Each type of stereoisomer has been isolated in diastereomerically pure form and with an enantiomeric excess of at least 86% ee. The key step in this multi-st

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