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1198395-21-9

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1198395-21-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1198395-21-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,8,3,9 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1198395-21:
(9*1)+(8*1)+(7*9)+(6*8)+(5*3)+(4*9)+(3*5)+(2*2)+(1*1)=199
199 % 10 = 9
So 1198395-21-9 is a valid CAS Registry Number.

1198395-21-9Downstream Products

1198395-21-9Relevant academic research and scientific papers

Synthesis of 6-amino-4-aryl- 2R-4H-furo[2,3-b]pyran-5-carbo- nitriles based on the condensation of 3-arylmethylene-3H-furan-2-ones with malononitrile

Aniskova,Yegorova, A. Yu.

, p. 662 - 665 (2009)

Methods were developed for the synthesis of 6-amino-4-aryl-2R-4H-furo[2,3- b]pyran-5-carbonitriles based on the reaction of 3-arylmethylene-3H-furan-2-ones with malononitrile and also using a multicomponent reaction. The reaction schemes are discussed.

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