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1610802-74-8

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1610802-74-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1610802-74-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,0,8,0 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1610802-74:
(9*1)+(8*6)+(7*1)+(6*0)+(5*8)+(4*0)+(3*2)+(2*7)+(1*4)=128
128 % 10 = 8
So 1610802-74-8 is a valid CAS Registry Number.

1610802-74-8Downstream Products

1610802-74-8Relevant articles and documents

Efficient synthesis of 4-substituted pyrazole via microwave-promoted Suzuki cross-coupling reaction

Cheng, Hua,Wu, Qiong-You,Han, Fan,Yang, Guang-Fu

, p. 705 - 709 (2014/06/09)

Pyrazoles and their derivatives are important heterocycles found in nature and present in numerous bioactive compounds. In contrast to 3 or 5-aryl pyrazole, the preparation of 4-aryl pyrazole is fairly rare. Utilizing microwave irradiation, the synthesis of 4-substituted-arylpyrazole via Suzuki cross-coupling has been developed with a wide range of substrates. The remarkable advantages of this method are mild reaction conditions, simple operation, high yield, and short reaction time. Product structures were identified by MS, 1H NMR, 13C NMR, and elemental analysis.

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