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205999-96-8

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205999-96-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 205999-96-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,9,9 and 9 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 205999-96:
(8*2)+(7*0)+(6*5)+(5*9)+(4*9)+(3*9)+(2*9)+(1*6)=178
178 % 10 = 8
So 205999-96-8 is a valid CAS Registry Number.

205999-96-8Downstream Products

205999-96-8Relevant articles and documents

Microwave-assisted high-speed parallel synthesis of 4-aryl-3,4- dihydropyrimidin-2(1H)-ones using a solventless biginelli condensation protocol

Kappe, C. Oliver,Kumar, Dalip,Varma, Rajender S.

, p. 1799 - 1803 (2007/10/03)

4-Aryl-3,4-dihydropyrimidin-2-(1H)-ones 4a-o are synthesized by a microwave-promoted, solvent-free modification of the Biginelli three- component cyclocondensation reaction. The novel method employs neat mixtures of β-ketoesters, aryl aldehydes, and urea

Unprecedented catalytic three component one-pot condensation reaction: An efficient synthesis of 5-alkoxycarbonyl-4-aryl-3,4-dihydropyrimidin- 2(1H)-ones

Hu,Sidler,Dolling

, p. 3454 - 3457 (2007/10/03)

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