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612844-01-6

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612844-01-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 612844-01-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,2,8,4 and 4 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 612844-01:
(8*6)+(7*1)+(6*2)+(5*8)+(4*4)+(3*4)+(2*0)+(1*1)=136
136 % 10 = 6
So 612844-01-6 is a valid CAS Registry Number.

612844-01-6Upstream product

612844-01-6Relevant articles and documents

Intramolecular Staudinger ligation: A powerful ring-closure method to form medium-sized lactams

David, Olivier,Meester, Wim J. N.,Bieraeugel, Hans,Schoemaker, Hans E.,Hiemstra, Henk,Van Maarseveen, Jan H.

, p. 4373 - 4375 (2007/10/03)

Efficient access to medium-sized lactams from co-amino acids that are resistant to ring-closure by traditional strategies is enabled by an intramolecular Staudinger ligation approach. An undesired premature Staudinger reaction is avoided by protecting the phosphane-containing auxiliary as a borane complex (see scheme; dabco = 1,4-diazabicyclo[2.2.2]octane).

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