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118074-98-9

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118074-98-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118074-98-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,0,7 and 4 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 118074-98:
(8*1)+(7*1)+(6*8)+(5*0)+(4*7)+(3*4)+(2*9)+(1*8)=129
129 % 10 = 9
So 118074-98-9 is a valid CAS Registry Number.

118074-98-9Relevant articles and documents

MACROHETEROCYCLES XLVIII. SYNTHESIS OF POLYAZAOXACRYPTANDS IN A TWO-PHASE SYSTEM

Luk'yanenko, N. G.,Basok, S. S.,Filonova, L. K.,Kulikov, N. V.

, p. 1537 - 1544 (2007/10/02)

A method is proposed for the production of polyazaoxacryptands by the condensation of N,N'-bis(tosylaminoethyl)diazacrown ethers with ditosyloxy derivatives or dibromides in the toluene-45percent aqueous sodium hydroxide two-phase system.The catalytic act

Macroheterocycles; XXXIX. A Convenient Synthesis of Polyaza-oxa Cryptands

Lukyanenko, N. G.,Basok, S. S.,Filonova, L. K.

, p. 335 - 336 (2007/10/02)

A convenient procedure is proposed for the synthesis of cryptands by the alkylation of bis-N-(2-tosylaminoethyl)diaza-crown ethers with dibromides in the two-phase system: aqueous sodium hydroxide/toluene.

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