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73990-88-2

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73990-88-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73990-88-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,9,9 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 73990-88:
(7*7)+(6*3)+(5*9)+(4*9)+(3*0)+(2*8)+(1*8)=172
172 % 10 = 2
So 73990-88-2 is a valid CAS Registry Number.

73990-88-2Relevant articles and documents

New Side-Chain Protecting Groups for Lysine and Tyrosine Suitable for Solid-Phase Peptide Synthesis

Salem, Ezzeldin M.,Schou, O.

, p. 62 - 64 (2007/10/02)

The syntheses of two new lysine and tyrosine derivatives, Boc-Lys(2-ClZ) and Boc-Tyr(2-BrBzl) have been described.Their use in the solid-phase peptide synthesis of the decapeptide Glu-Arg(NO2)-Gly-Phe-Phe-Tyr-Thr-Pro-Lys-Thr (I) corresponding to the seque

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