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200057-76-7

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200057-76-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 200057-76-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,0,5 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 200057-76:
(8*2)+(7*0)+(6*0)+(5*0)+(4*5)+(3*7)+(2*7)+(1*6)=77
77 % 10 = 7
So 200057-76-7 is a valid CAS Registry Number.

200057-76-7Relevant articles and documents

Thermodynamically-controlled cyclisation and interconversion of oligocholates: Metal ion templated 'living' macrolactonisation

Brady, Paul A.,Sanders, Jeremy K. M.

, p. 3237 - 3253 (2007/10/03)

A series of ester-linked macrocyclic oligomers (dimer-pentamer) of cholates equipped with a variety of recognition and reporter elements has been prepared (a) by conventional irreversible chemistry, and (b) using methoxide-cataiysed transesterification un

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