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1202003-41-5

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1202003-41-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1202003-41-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,2,0,0 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1202003-41:
(9*1)+(8*2)+(7*0)+(6*2)+(5*0)+(4*0)+(3*3)+(2*4)+(1*1)=55
55 % 10 = 5
So 1202003-41-5 is a valid CAS Registry Number.

1202003-41-5Downstream Products

1202003-41-5Relevant academic research and scientific papers

Enantioselective synthesis of (L)-Fmoc-α-Me-Lys(Boc)-OH via diastereoselective alkylation of oxazinone as a chiral auxiliary

Chauhan, Satendra S.

scheme or table, p. 6913 - 6915 (2010/05/18)

Benzyl (2R,3S)-(-)-6-oxo-2,3-diphenyl-4-morpholinecarboxylate (4) was successively alkylated with methyl iodide and 1,4-diiodobutane using a base. In each alkylation step anti-alkylated product formed exclusively. The iodo group was displaced with azide,

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