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499781-40-7

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499781-40-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 499781-40-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,9,7,8 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 499781-40:
(8*4)+(7*9)+(6*9)+(5*7)+(4*8)+(3*1)+(2*4)+(1*0)=227
227 % 10 = 7
So 499781-40-7 is a valid CAS Registry Number.

499781-40-7Downstream Products

499781-40-7Relevant articles and documents

Total synthesis of newbouldine via reductive N-N bond formation

Pangerl, Michael,Hughes, Chambers C.,Trauner, Dirk

experimental part, p. 6626 - 6631 (2010/10/19)

The first total synthesis of newbouldine has been achieved employing a new, reductive N-N bond forming reaction. The asymmetric synthesis confirms that the natural product is a racemate.

Total synthesis of (-)-amathaspiramide F

Sakaguchi, Kazuhiko,Ayabe, Miki,Watanabe, Yusuke,Okada, Takuya,Kawamura, Kazushige,Shiada, Tetsuro,Ohfune, Yasufumi

supporting information; experimental part, p. 5449 - 5452 (2009/06/20)

(Chemical Equation Presented) The stereoselective total synthesis of the marine alkaloid (-)-amathaspiramide F (1) was achieved from the α-hydoxy-α-ethynylsilane 2. The crucial steps in this synthesis involved not only the enolate Claisen rearrangement of

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