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73570-25-9

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73570-25-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73570-25-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,5,7 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 73570-25:
(7*7)+(6*3)+(5*5)+(4*7)+(3*0)+(2*2)+(1*5)=129
129 % 10 = 9
So 73570-25-9 is a valid CAS Registry Number.

73570-25-9Downstream Products

73570-25-9Relevant articles and documents

Regioselective synthesis of trialkylpyrazines via nickel-catalyzed Negishi cross-coupling of pyrazine triflate

Pitchaiah, Arigala,Hwang, Intaek,Hwang, Jin-Soo,Kim, Hyungrok,Lee, Kee-In

, p. 1631 - 1636 (2012/06/30)

A regioselective synthesis of trialkylpyrazines via nickel-catalyzed cross-coupling reaction of pyrazine triflate is reported. The 5-substituted 2,3-dimethylpyrazine derivatives including trail pheromone components of the ant Eutetramorium mocquerysi have been successfully synthesized in good yields by nickel-catalyzed Negishi cross-coupling reactions of pyrazine triflate mediated by alkyl and arylzinc halides. Georg Thieme Verlag Stuttgart · New York.

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