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218922-04-4

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218922-04-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 218922-04-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,9,2 and 2 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 218922-04:
(8*2)+(7*1)+(6*8)+(5*9)+(4*2)+(3*2)+(2*0)+(1*4)=134
134 % 10 = 4
So 218922-04-4 is a valid CAS Registry Number.

218922-04-4Upstream product

218922-04-4Relevant articles and documents

Structure elucidation of Sch 49088, a novel everninomicin antibiotic containing an unusual hydroxylamino-ether sugar, everhydroxylaminose

Saksena, Anil K.,Jao, Edwin,Murphy, Bruce,Schumacher, Doris,Chan, Tze-Ming,Puar, Mohindar S,Jenkins, John K.,Maloney, Donal,Cordero, Mayra,Pramanik, Birendra N.,Bartner, Peter,Das, Pradip R.,McPhail, Andrew T.,Girijavallabhan,Ganguly, Ashit K.

, p. 8441 - 8444 (2007/10/03)

Degradation of Sch 49088 (1) provided a novel, highly functionalized O- substituted hydroxylamine-containing sugar, everhydroxylaminose 11 isolated as a β-OMe glycoside. Notably the two acid sensitive orthoester moieties in the intact antibiotic 1 co-exist in the presence of three phenolic groups and a free carboxylic acid group.

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