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164657-31-2

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164657-31-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 164657-31-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,4,6,5 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 164657-31:
(8*1)+(7*6)+(6*4)+(5*6)+(4*5)+(3*7)+(2*3)+(1*1)=152
152 % 10 = 2
So 164657-31-2 is a valid CAS Registry Number.

164657-31-2Downstream Products

164657-31-2Relevant articles and documents

A facile synthesis of 2,3-disubstituted furo[2,3-b]pyridines

Beutner, Gregory L.,Kuethe, Jeffrey T.,Yasuda, Nobuyoshi

supporting information; experimental part, p. 781 - 784 (2009/05/11)

In a three-step sequence starting from readily available starting materials, 2,3-carbon disubstituted furo[2,3-b]pyridines can be accessed in good yields and purity. Furo[2,3-b]pyridines bearing ester, amide and ketone groups at the 2-position can be prepared with a variety of aryl and alkyl groups at the 3-position.

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