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851909-01-8

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851909-01-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 851909-01-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,1,9,0 and 9 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 851909-01:
(8*8)+(7*5)+(6*1)+(5*9)+(4*0)+(3*9)+(2*0)+(1*1)=178
178 % 10 = 8
So 851909-01-8 is a valid CAS Registry Number.

851909-01-8Relevant articles and documents

From macrocycle dipeptide lactams to azabicyclo[X.Y.0]alkanone amino acids: A transannular cyclization route for peptide mimic synthesis

Surprenant, Simon,Lubell, William D.

, p. 2851 - 2854 (2006)

Macrocyclic and fused bicyclic dipeptides are complementary motifs for mimicry of different types of β-turn geometry. Macrocyclic dipeptide mimics have served as precursors for the synthesis of their bicyclic counterparts using electrophilic transannular

Systematic study of the synthesis of macrocyclic dipeptide β-turn mimics possessing 8-, 9-, and 10- membered rings by ring-closing metathesis

Kaul, Ramesh,Surprenant, Simon,Lubell, William D.

, p. 3838 - 3844 (2007/10/03)

A systematic study was performed to establish general synthesis protocols for forming enantiomerically pure macrocyclic dipeptide lactams. Focusing on macrocycles of 8-, 9-, and 10-membered rings, effective syntheses were achieved by a sequence featuring

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