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249302-59-8

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249302-59-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 249302-59-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,9,3,0 and 2 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 249302-59:
(8*2)+(7*4)+(6*9)+(5*3)+(4*0)+(3*2)+(2*5)+(1*9)=138
138 % 10 = 8
So 249302-59-8 is a valid CAS Registry Number.

249302-59-8Relevant articles and documents

Amino acids and peptides. LIV. Application of 2-adamantyl derivatives as protecting groups to the synthesis of peptide fragments related to Sulfolobus solifataricus ribonuclease. I

Okada, Yoshio,Joshi, Shima,Shintomi, Noriyuki,Kondo, Yukihiro,Tsuda, Yuko,Ohgi, Kazuko,Irie, Masachika

, p. 1089 - 1096 (2007/10/03)

The 2-adamantyloxycarbonyl group was employed for the protection of the ε-amino group of Lys and the hydroxyl group of Tyr, and the 2-adamantyl ester was employed for the protection of the β-carboxyl group of Asp in order to construct eight peptide segments as building blocks for the preparation of peptide fragments related to the sequence of Sulfolobus solifataricus Ribonuclease. The usefulness of the above protecting groups developed in our laboratory was confirmed.

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