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18668-10-5

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18668-10-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18668-10-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,6,6 and 8 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 18668-10:
(7*1)+(6*8)+(5*6)+(4*6)+(3*8)+(2*1)+(1*0)=135
135 % 10 = 5
So 18668-10-5 is a valid CAS Registry Number.

18668-10-5Relevant articles and documents

STEREOSELEKTIVE SYNTHESE VON D-α-HYDROXYCARBONSAEUREN BZW. D-α-HYDROXYCARBONSAEUREN ENTHALTENDEN DEPSIPEPTIDEN AUS L-AMINOSAEUREN

Lerchen, Hans-Georg,Kunz, Horst

, p. 5257 - 5260 (2007/10/02)

Depsipeptides containing D-α-hydroxy carboxylic acids are efficiently synthesized by the reactions of L-α-halo-carboxylic acid esters (obtained from L-amino acids) with caesium salts of N-protected amino acids.

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