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110582-30-4

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110582-30-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 110582-30-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,0,5,8 and 2 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 110582-30:
(8*1)+(7*1)+(6*0)+(5*5)+(4*8)+(3*2)+(2*3)+(1*0)=84
84 % 10 = 4
So 110582-30-4 is a valid CAS Registry Number.

110582-30-4Relevant articles and documents

Studies towards the synthesis of the hypermodified nucleoside of rat liver phenylalanine transfer ribonucleic acid: Improved synthesis of the base β-hydroxywybutine

Itaya, Taisuke,Kanai, Tae

, p. 1220 - 1224 (2007/10/03)

An improved synthesis of the key intermediates (3 and 8) for the synthesis of β-hydroxywybutines [[R(R*,S*)]- and [S-(R*,R*)]-4], the most probable structures for the minor base from rat liver tRNA(Phc), has been achieved by the Wittig reaction between 1-benzyl-7-formylwye (1) and the phosphorane derived from (R)-2[(methoxycarbonyl)amino]-3- (triphenylphosphonio)propanoate (10), followed by methylation, OsO4 oxidation, and cyclocondensation with COCI2 in the presence of pyridine. The racemic forms of β-hydroxywybutines [(R*,S*)- and (R*,R*)-4], which were required for the determination of the optical purity of [R-(R*,S*)]- and [S-(R*,R*)]-4 by means of chiral HPLC, were conveniently prepared through pyrolysis of the cyclic carbonate 3 followed by NaBH4 reduction and catalytic hydrogenolysis. The samples of [R-(R*,S*)]- and [S-(R*,R*)]-4 were thus shown to be optically pure.

SYNTHESIS OF OPTICALLY ACTIVE FORMS OF HYDROXY-Y BASE, THE MINOR COMPONENT OF RAT LIVER PHENYLALANINE TRANSFER RIBONUCLEIC ACID

Itaya, Taisuke,Watanabe, Nobuhide,Mizutani, Akemi

, p. 4043 - 4046 (2007/10/02)

-β-Hydroxywybutine (6) and its -isomer (9) have been synthesized as the most probable alternatives for hydroxy-Y base isolated from rat liver phenylalanine tRNA.

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