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728888-36-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 728888-36-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,8,8,8 and 8 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 728888-36:
(8*7)+(7*2)+(6*8)+(5*8)+(4*8)+(3*8)+(2*3)+(1*6)=226
226 % 10 = 6
So 728888-36-6 is a valid CAS Registry Number.

728888-36-6Downstream Products

728888-36-6Relevant articles and documents

Substituted 2-aminonicotinamides in the synthesis of pyrido[2,3-d] pyrimidin-4(1H)-ones, 2,3-dihydropyrido- [2,3-d]pyrimidin-4(1H)-ones, and 11b,12-dihydropyrido- [2′,3′:4,5]pyrimido[2,1-a]isoindole-5,7-diones

Sidorova,Kostenko,Arustamova,Kaigorodova,Konyushkin

, p. 294 - 301 (2011/12/04)

The reactions of 2-aminonicotinamides with triethyl orthoformate, carboxylic acids chlorides, aldehydes, and 2-formylbenzoic acid were studied. As a result pyrido[2,3-d]pyrimidin-4(1H)-ones, 2,3-dihydropyrido[2,3-d]pyrimidin- 4(1H)-ones, and 5,7,11b,12-te

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