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1616763-48-4

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1616763-48-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1616763-48-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,6,7,6 and 3 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1616763-48:
(9*1)+(8*6)+(7*1)+(6*6)+(5*7)+(4*6)+(3*3)+(2*4)+(1*8)=184
184 % 10 = 4
So 1616763-48-4 is a valid CAS Registry Number.

1616763-48-4Downstream Products

1616763-48-4Relevant articles and documents

Access to pyridyl-substituted 1,3,5-triazines from 4 H-pyrido[1,3]oxazin-4- ones via a cyclocondensation process

Falher, Laetitia Le,Ben Ayad, Omar,Ziyaret, Ozge,Mamontov, Alexander,Botuha, Candice,Thorimbert, Serge,Slowinski, Franck

, p. 6579 - 6589 (2014/08/05)

Pyridyl-substituted 1,3,5-triazines were synthesized in good to excellent yields via an unprecedented one-step cyclocondensation of 4H-pyrido[1,3]oxazin- 4-ones with amidines at room temperature or under microwave irradiations. The broad applicability was demonstrated by 33 examples with a variety of amidines and three different 4H-pyrido[1,3]oxazin-4-one chemical series. In addition, a one-pot process from 4H-pyrido[1,3]oxazin-4-one precursors (imide sodium salts) was developed and led to the desired triazines compounds, thus allowing a one-step economy in their global synthetic preparation. This approach provides rapid access to pyridyl (or pyridone)-substituted 1,3,5-triazines with high potential in various fields of application.

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