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916728-31-9

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916728-31-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 916728-31-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,6,7,2 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 916728-31:
(8*9)+(7*1)+(6*6)+(5*7)+(4*2)+(3*8)+(2*3)+(1*1)=189
189 % 10 = 9
So 916728-31-9 is a valid CAS Registry Number.

916728-31-9Downstream Products

916728-31-9Relevant articles and documents

Efficient macrocyclization of preorganized palindromic oligosquaramides

Rotger, Carmen,Pina, M. Neus,Vega, Manuel,Ballester, Pablo,Deya, Pere M.,Costa, Antoni

, p. 6844 - 6848 (2007/10/03)

(Figure Presented) Hydrogen-bonding interactions drive oligosquaramides of different lengths to fold into hairpin-like structures both in nonprotic and protic solvents. These compounds are useful preorganized precursors in macrocyclization reactions.

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