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49761-26-4

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49761-26-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 49761-26-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,9,7,6 and 1 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 49761-26:
(7*4)+(6*9)+(5*7)+(4*6)+(3*1)+(2*2)+(1*6)=154
154 % 10 = 4
So 49761-26-4 is a valid CAS Registry Number.

49761-26-4Relevant articles and documents

Efficient, Optimized Applications of p-Nitrophenyl Active Ester Temporarily Protecting Groups Together with Simultaneous Activation in Synthesis of Special Glu and Lys Peptides

Szokan,Almas,Kotai,Khlafulla

, p. 519 - 526 (2007/10/03)

Benzyloxycarbonyl-glutamylpeptide p-nitrophenylesters were prepared from protected amino acids, e.g.: p-nitrophenyl-glutamate as carboxyl component and aminoacid or peptide p-nitrophenylesters as amino components by different kinds of peptide coupling met

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