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474640-32-9

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474640-32-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 474640-32-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,4,6,4 and 0 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 474640-32:
(8*4)+(7*7)+(6*4)+(5*6)+(4*4)+(3*0)+(2*3)+(1*2)=159
159 % 10 = 9
So 474640-32-9 is a valid CAS Registry Number.

474640-32-9Downstream Products

474640-32-9Relevant articles and documents

A convergent approach to 2-substituted-5-methoxyindoles. Application to the synthesis of melatonin

Quiclet-Sire, Beatrice,Sortais, Benoit,Zard, Samir Z.

, p. 1692 - 1693 (2007/10/03)

A convergent, radical based synthesis of 5-methoxyindoles including melatonin is described.

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