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87831-90-1

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87831-90-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87831-90-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,8,3 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 87831-90:
(7*8)+(6*7)+(5*8)+(4*3)+(3*1)+(2*9)+(1*0)=171
171 % 10 = 1
So 87831-90-1 is a valid CAS Registry Number.

87831-90-1Downstream Products

87831-90-1Relevant articles and documents

The 2-Thiosulfatoethyl Group as Solubilizing Protective Group in Enzymatic Peptide Synthesis

Kuhl, P.,Walpuski, J.,Jakubke, H.-D.

, p. 465 - 466 (2007/10/02)

Amino acid (2-thiosulfatoethyl esters) 4 can be prepared from amino acid (2-chloroethyl esters) by nucleophilic exchange of halogen for thiosulfate.Coupling of the esters 4 with Z-protected amino acids gives the water-soluble Z-dipeptide esters 5 which re

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