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211191-14-9

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211191-14-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 211191-14-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,1,1,9 and 1 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 211191-14:
(8*2)+(7*1)+(6*1)+(5*1)+(4*9)+(3*1)+(2*1)+(1*4)=79
79 % 10 = 9
So 211191-14-9 is a valid CAS Registry Number.

211191-14-9Downstream Products

211191-14-9Relevant articles and documents

Asymmetric synthesis of boc-N-methyl-p-benzoyl-phenylalanine. Preparation of a photoreactive antagonist of substance P

Karoyan, Philippe,Sagan, Sandrine,Clodic, Gil,Lavielle, Solange,Chassaing, Gerard

, p. 1369 - 1374 (1998)

The asymmetric synthesis of (S)-Boc-N-methyl-p-benzoyl-phenylalanine was performed by alkylation of sultam Boc-sarcosinate. The levorotatory sultam led to (S)-Boc-N-methyl amino acids with high optical purity. This photoreactive amino acid was incorporated into the sequence of a Substance P peptide antagonist. Comparison of the affinity and antagonistic properties of Biotinyl-apa-[D-Pro9, MePhe(pBz)10, Trp11]SP for human tachykinin NK-1 receptor demonstrated that this photoreactive antagonist should be a suitable tool for photolabelling studies.

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