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5845-45-4

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5845-45-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5845-45-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,8,4 and 5 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5845-45:
(6*5)+(5*8)+(4*4)+(3*5)+(2*4)+(1*5)=114
114 % 10 = 4
So 5845-45-4 is a valid CAS Registry Number.

5845-45-4Relevant articles and documents

An Improvment of the Anderson Test by the Use of High Performance Liquid Chromatography

Miyazawa, Toshifumi,Yamada, Takashi,Kuwata, Shigeru

, p. 606 - 608 (1988)

The replacement of the N-benzyloxycarbonyl (Z) group in the Anderson peptide (Z-Gly-L/D-Phe-Gly-OEt) by Z-L-Ala and the subsequent separation of the diastereomers of the resulting tetrapeptide by reversed-phase HPLC offer a more convenient version with higher accuracy to the original Anderson test for studying racemization in peptide synthesis.

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