Cas 1270943-01-5,4-chloro-5-phenyl-3-p-tolyl-1H-pyrazole

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Check Digit Verification of cas no

The CAS Registry Mumber 1270943-01-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,0,9,4 and 3 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1270943-01:
(9*1)+(8*2)+(7*7)+(6*0)+(5*9)+(4*4)+(3*3)+(2*0)+(1*1)=145
145 % 10 = 5
So 1270943-01-5 is a valid CAS Registry Number.

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1270943-01-5Relevant academic research and scientific papers

Rapid one-pot, four-step synthesis of highly fluorescent 1,3,4,5-tetrasubstituted pyrazoles

Willy, Benjamin,Mueller, Thomas J.J.

supporting information; experimental part, p. 2082 - 2085 (2011/06/24)

1,3,4,5-Tetrasubstituted pyrazoles can be rapidly and efficiently synthesized in a one-pot, four-step sequence consisting of Sonogashira coupling, addition-cyclocondensation, bromination, and Suzuki coupling. The second and the last step are microwave-ass

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