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. 2014 Aug 27;6(3):494–511. doi: 10.3390/pharmaceutics6030494

Table 1.

Overview of cellulose derivatives used in the current study.

Polymer Substituent Group Molecular Weight (Dalton) *
graphic file with name pharmaceutics-06-00494-i001.jpg
Microcrystalline cellulose (MCC) R = H <37,500 **
Methyl cellulose (MC) R = H or CH3 70,000
Hydroxyethyl cellulose (HEC) R = H or CH2CH2OH 90,000
Hydroxypropyl cellulose (HPC) R = H or CH2CH(OH)CH3 1,150,000
Hydroxypropylmethyl cellulose (HPMC) R = H or CH3 or CH2CH(OH)CH3 1,200,000

* Typical values according to product information; ** Estimated from degree of polymerization; not more than 350 according to European Pharmacopeia (Ph.Eur).