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1197207-80-9

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1197207-80-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1197207-80-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,7,2,0 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1197207-80:
(9*1)+(8*1)+(7*9)+(6*7)+(5*2)+(4*0)+(3*7)+(2*8)+(1*0)=169
169 % 10 = 9
So 1197207-80-9 is a valid CAS Registry Number.

1197207-80-9Relevant articles and documents

Regioselective synthesis of 4-acyl-1-hydroxy-2,3-benzodioates by chelation-controlled [3+3] annulation of 3-acyl-4-ethoxy-2-oxo-3-enoates with 1,3-bis(trimethylsilyloxy)-1,3-butadienes

Riahi, Abdolmajid,Shkoor, Mohanad,Fatunsin, Olumide,Khera, Rasheed Ahmad,Fischer, Christine,Langer, Peter

supporting information; experimental part, p. 4248 - 4251 (2009/12/06)

4-Acyl-1-hydroxy-2,3-benzodioates were regioselectively prepared by chelation-controlled [3+3] cyclization of 1,3-bis(trimethylsilyloxy)-1,3- butadienes with 3-acyl-4-ethoxy-2-oxo-3-enoates.

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