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3-Pyridinecarbonitrile, 5-acetyl-1,2-dihydro-4-(4-hydroxyphenyl)-6-methyl-2-thioxo- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

676656-09-0

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676656-09-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 676656-09-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,6,6,5 and 6 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 676656-09:
(8*6)+(7*7)+(6*6)+(5*6)+(4*5)+(3*6)+(2*0)+(1*9)=210
210 % 10 = 0
So 676656-09-0 is a valid CAS Registry Number.

676656-09-0Relevant articles and documents

Cyanothioacetamide in heterocyclic synthesis: A novel synthesis of styrylpyridinethione, styrylthieno[2,3-b]pyridine, styrylpyrazolo[3,4-b] pyridine, pyrido[2′,3′:3,4]pyrazolo[5,1-a]pyrimidine, pyrido[3′,2′:4,5]thieno[3,2-d]pyrimidine and pyrido[3′, 2′:4,5]thieno[3,2-d]-1,2,3-triazin-4-one derivatives

Elneairy, Mohamed A. A.

, p. 2201 - 2214 (2003)

Synthesis of 6-styrylpyridinethione 6a-d, 6-styrylthienopyridine 11a-d, 15a-d, pyrido[2′,3′:3,4]pyrazolo[5,1-a]pyrimidine 25, 29, pyrido[3′, 2′:4,5]thieno[3,2-d]pyrimidine 34, and pyrido[3′,2′:4,5]thieno[3,2-d]-1,2,3-triazin-4-one 35 derivatives by the reaction of 4a,b, 6a-d, 22, 33, with 5a,b, 9, 13, 23, 27, acetic anhydride and nitrous acid respectively.

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