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1571071-21-0

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1571071-21-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1571071-21-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,7,1,0,7 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1571071-21:
(9*1)+(8*5)+(7*7)+(6*1)+(5*0)+(4*7)+(3*1)+(2*2)+(1*1)=140
140 % 10 = 0
So 1571071-21-0 is a valid CAS Registry Number.

1571071-21-0Relevant articles and documents

Sustainable and selective synthesis of 3,4-dihydroquinolizin-2-one and quinolizin-2-one derivatives via the reactions of penta-3,4-dien-2-ones

Fan, Xuesen,He, Yan,Zhang, Xinying,Wang, Jianji

supporting information, p. 1393 - 1398 (2014/03/21)

In this paper, a novel and green methodology for the synthesis of 3,4-dihydroquinolizin-2-one derivatives via the tandem reactions of penta-3,4-dien-2-ones with pyridine, quinoline, or isoquinoline at rt in aqueous ethanol was developed. Notably, the reac

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