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1284306-40-6

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1284306-40-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1284306-40-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,4,3,0 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1284306-40:
(9*1)+(8*2)+(7*8)+(6*4)+(5*3)+(4*0)+(3*6)+(2*4)+(1*0)=146
146 % 10 = 6
So 1284306-40-6 is a valid CAS Registry Number.

1284306-40-6Downstream Products

1284306-40-6Relevant articles and documents

Reaction of dimethyl sulphoxide and trifluoroacetic anhydride with 3-nitro-4-hydroxycoumarin

Ara, Tabassum,Khan, Khaliquz Zaman

experimental part, p. 3397 - 3403 (2010/11/04)

The interaction of dimethyl sulphoxide-trifluoroacetic anhydride (DMSO-TFAA) with 3-nitro-4-hydroxycoumarin (1) gives four products, viz. 2-nitroso-3-oxo-2,3-dihydro-1-benzofuran-2-carboxylic acid (2), 3-(methylthiomethyl]-3-nitro-2H-chromene-2,4(3H)-dione (4), salicylic acid and 4H-[1,3]-dioxolo[4,5-c]chromene-2,4-dione (6).

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