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133357-54-7

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133357-54-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133357-54-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,3,5 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 133357-54:
(8*1)+(7*3)+(6*3)+(5*3)+(4*5)+(3*7)+(2*5)+(1*4)=117
117 % 10 = 7
So 133357-54-7 is a valid CAS Registry Number.

133357-54-7Upstream product

133357-54-7Relevant articles and documents

ASSESSMENT OF CONFORMATION OF THE TETRAPEPTIDES Boc(L-Pro)4-OBn, Boc-(L-Aze-L-Pro)2-Opcp and Boc--Opcp

Zand L.,Tsai, F.-H.,Overberger, C. G.

, p. 35 - 47 (2007/10/02)

We have investigated the problem of the onset of helicity and the influence of proximal amino acids on the helical conformation of prolin oligopeptides and polymers by incorporating the four membered ring amino acid, azetidine-2-carboxylic acid, into some

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