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1304637-19-1

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1304637-19-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1304637-19-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,4,6,3 and 7 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1304637-19:
(9*1)+(8*3)+(7*0)+(6*4)+(5*6)+(4*3)+(3*7)+(2*1)+(1*9)=131
131 % 10 = 1
So 1304637-19-1 is a valid CAS Registry Number.

1304637-19-1Downstream Products

1304637-19-1Relevant articles and documents

A new and direct synthesis of chalcones via TFAA-H3PO 4 mediated c-c bond forming reaction

Kankanala, Kavitha,Reddy, Lingam Venkata,Reddy, Vangala Ranga,Mukkantia, Khagga,Pal, Sarbani

, p. 53 - 59 (2011)

A number of α,β-unsaturated carboxylic acids were reacted with electron rich arenes or heteroarene in the presence of trifluoroacetic anhydride (TFAA) and H3PO4 at room temperature to give a variety of chalcone derivatives in good to

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