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374600-85-8

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374600-85-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 374600-85-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,4,6,0 and 0 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 374600-85:
(8*3)+(7*7)+(6*4)+(5*6)+(4*0)+(3*0)+(2*8)+(1*5)=148
148 % 10 = 8
So 374600-85-8 is a valid CAS Registry Number.

374600-85-8Downstream Products

374600-85-8Relevant articles and documents

N 7-Tosyltheophylline (TsTh): A highly efficient reagent for the one-pot synthesis of n 7-alkyltheophyllines from alcohols

Soltani Rad, Mohammad Navid,Behrouz, Somayeh,Najafi, Hosnieh

, p. 1380 - 1388 (2014/06/09)

A convenient and highly efficient one-pot N-alkylation of theophylline from alcohols via N 7-tosyltheophylline (TsTh) is described. In this protocol, the treatment of primary and/or secondary alcohols with a mixture of TsTh and 1,8-diazabicyclo[5.4.0]undec-7-ene in refluxing acetonitrile affords the corresponding N 7-alkyltheophylline in good to excellent yields; the reaction was optimized for solvent and base. This methodology is highly efficient for various structurally diverse primary and secondary alcohols. A plausible mechanism for the one-pot N-alkylation of theophylline with alcohols via TsTh has been suggested. Georg Thieme Verlag Stuttgart New York.

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