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1587045-12-2

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1587045-12-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1587045-12-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,7,0,4 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1587045-12:
(9*1)+(8*5)+(7*8)+(6*7)+(5*0)+(4*4)+(3*5)+(2*1)+(1*2)=182
182 % 10 = 2
So 1587045-12-2 is a valid CAS Registry Number.

1587045-12-2Relevant academic research and scientific papers

Asymmetric a-hydroxylation of a lactone with vinylogous pyridone by using a guanidine-urea bifunctional organocatalyst: Catalytic enantioselective synthesis of a key intermediate for (20S)-camptothecin analogues

Watanabe, Tatsuya,Odagi, Minami,Furukori, Kota,Nagasawa, Kazuo

supporting information, p. 591 - 597 (2014/04/03)

We have developed a catalytic asymmetric synthesis of (S)-4-ethyl-6,6- (ethylenedioxy)-7,8-dihydro-4-hydroxy- 1H-pyrano[3,4-f]indolizine-3,10(4H)dione (5a), a synthetic intermediate for (20S)-camptothecin analogues. A key step in this synthesis is an asym

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