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1040272-38-5

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1040272-38-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1040272-38-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,0,2,7 and 2 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1040272-38:
(9*1)+(8*0)+(7*4)+(6*0)+(5*2)+(4*7)+(3*2)+(2*3)+(1*8)=95
95 % 10 = 5
So 1040272-38-5 is a valid CAS Registry Number.

1040272-38-5Relevant articles and documents

Total Synthesis of (?)-Cephalotaxine and (?)-Homoharringtonine via Furan Oxidation–Transannular Mannich Cyclization

Ju, Xuan,Beaudry, Christopher M.

, p. 6752 - 6755 (2019)

Homoharringtonine and its congener cephalotaxine were synthesized. Oxidative ring-opening of a furan unveils an amine-tethered dicarbonyl, which undergoes spontaneous transannular Mannich cyclization. The cascade builds the full cephalotaxine substructure in a single operation in 60 % yield. A Noyori reduction enabled synthesis of the title compounds with excellent enantioselectivity (krel=278).

CEPHALOTAXUS ESTERS, METHODS OF SYNTHESIS, AND USES THEREOF

-

, (2009/12/28)

The present invention provides novel cephalotaxus esters, syntheses thereof, and intermediates thereto. The invention also provides pharmaceutical compositions comprising a compound of the present invention and methods of using said compounds or compositions in the treatment of proliferative diseases (e.g., benign neoplasm, cancer, inflammatory disease, autoimmune disease, diabetic retinopathy) and infectious disease. The invention further provides methods of using said compounds or compositions in the treatment of multidrug resistant cancer.

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