Parent concept
Most distal appropriate descendant of 105590001 |Substance (substance)|
Semantic tag
(substance)
Definition status
Primitive
Hydates are modeled with an 738774007 | Is modification of (attribute)| relationship to the substance with unspecified hydration.
For example,
Ferrous oxalate dihydrate (substance) is modification of β Ferrous oxalate
Caffeine hydrate (substance) is modification of β Caffeine
Zinc sulfate heptahydrate (substance) is modification of β Zinc sulfate
Pattern:
X hydrate (substance)
X dihydrate (substance)
X monohydrate (substance)
For example,
Copper sulfate pentahydrate (substance)
Pattern:
X hydrate
X dihydrate
X monohydrate
For example,
Copper sulfate pentahydrate
The following illustrates the inferred view.
Caffeine hydrate (substance) IS MODIFICATION OF Caffeine (substance)
Anhydrous compounds have an 738774007 | Is modification of (attribute)| relationship to the unspecified substance, i.e., where the level hydration is not specified.
For example,
Sodium carbonate anhydrous (substance) is modification of β Sodium carbonate
Theophylline anhydrous (substance) is modification of β Theophylline
Pattern:
X anhydrous (substance)
For example,
Theophylline anhydrous (substance)
Pattern:
X anhydrous
For example,
Theophylline anhydrous
Anhydrous X
The following illustrates the inferred view.
|Theophylline anhydrous (substance)| IS MODIFICATION OF |Theophylline (substance)|
Attribute
738774007 |Is modification of (attribute)| relationship to the substance with unspecified hydration
726542003 |Has disposition (attribute)|, as appropriate

