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209672-07-1

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209672-07-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 209672-07-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,6,7 and 2 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 209672-07:
(8*2)+(7*0)+(6*9)+(5*6)+(4*7)+(3*2)+(2*0)+(1*7)=141
141 % 10 = 1
So 209672-07-1 is a valid CAS Registry Number.

209672-07-1Downstream Products

209672-07-1Relevant articles and documents

Metal-Free Synthesis of Highly Substituted Pyridines by Formal [2+2+2] Cycloaddition under Mild Conditions

Xie, Lan-Gui,Shaaban, Saad,Chen, Xiangyu,Maulide, Nuno

supporting information, p. 12864 - 12867 (2016/10/04)

The synthesis of pyridines through direct intermolecular cycloaddition of alkynes and nitriles is a contemporary challenge in organic synthesis. A Br?nsted acid mediated formal [2+2+2] cycloaddition of heteroalkynes and nitriles was developed that proceed

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