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1267640-25-4

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1267640-25-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1267640-25-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,7,6,4 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1267640-25:
(9*1)+(8*2)+(7*6)+(6*7)+(5*6)+(4*4)+(3*0)+(2*2)+(1*5)=164
164 % 10 = 4
So 1267640-25-4 is a valid CAS Registry Number.

1267640-25-4Downstream Products

1267640-25-4Relevant articles and documents

Efficient access to new chemical space through flow-construction of druglike macrocycles through copper-surface-catalyzed azide-alkyne cycloaddition reactions

Bogdan, Andrew R.,James, Keith

, p. 14506 - 14512 (2011/03/20)

A series of 12- to 22-membered macrocycles, with druglike functionality and properties, have been generated by using a simple and efficient copper-catalyzed azide-acetylene cycloaddition reaction, conducted in flow in high-temperature copper tubing, under

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