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2637-05-0

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2637-05-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2637-05-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,6,3 and 7 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2637-05:
(6*2)+(5*6)+(4*3)+(3*7)+(2*0)+(1*5)=80
80 % 10 = 0
So 2637-05-0 is a valid CAS Registry Number.

2637-05-0Relevant articles and documents

Cascade 8πElectrocyclization/Benzannulation to Access Highly Substituted Phenylpyridines

Du, Luan,Gong, Yiliang,Han, Jingpeng,Li, Baosheng,Li, You,Luo, Han,Tian, Yi,Xin, Xiaolan

supporting information, p. 7966 - 7971 (2021/10/25)

A cascade 8πelectrocyclization/benzannulation reaction was developed to obtain the synthetically important highly substituted phenyl-pyridines. This method shows great potential in the rapid and inexpensive application of the scalable and operationally simple production of accessible substrates. On the basis of the resulting phenyl-pyridine products, a new Ru catalyst and bidentate ligand were designed and prepared, further demonstrating its high practicability.

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