Afghaan 90
Modern
CSindica
Chem Sister
Top flavors
earthyspicypine
Terpenes
CalmingEnergizing
Chem Sister effects are mostly calming.
Chem Sister
Top flavors
earthyspicypine
Terpenes
CalmingEnergizing
Chem Sister effects are mostly calming.
Chem Sister is a modern, indica-dominant cultivar with an undocumented lineage. Throughout its history, the strain has achieved a reputation for reliability, making it an accessible selection for growers of varying skill levels. The plant is versatile, performing effectively in both indoor and outdoor environments throughout a flowering period of 70 days, ultimately providing a medium yield for the cultivator.
The aromatic profile of Chem Sister is defined by a specific dominance of myrcene, followed by notes of caryophyllene and pinene. This complex chemical composition provides a structured sensory experience, balancing earthy undertones with the sharp, woody nuances inherent to its specific terpene profile.
Users typically report effects including a sense of focused relaxation and a calm mental state. These characteristics make the strain a common choice for managing physical pain, alleviating stress, and assisting with sleep. The genetic legacy of Chem Sister is extensive, serving as a foundational parent for multiple offspring, including Chemmental, TK / Chem91 / Gellati x Chem D / ChemSis, Candy Dog, Cheem Cream, Chem D / O. Haze x Chem D / ChemSis, ChemTex, ChemZu, Designer Chem, Grape Sitter, Original Glue, Sherbert / Animal x Chem D / ChemSis, and Sister Barb.
Terpene Profile
Synergies (+) and conflicts (−) are relative to each other within this profile.
myrcene ~60%caryophyllene ~28%pinene ~12%
| Terpene | Share | Character | Likely role |
|---|---|---|---|
| myrcene | ~60% | earthy | relaxing · solo |
| caryophyllene | ~28% | spicy | relaxing · social |
| pinene | ~12% | pine | focus · creative |
Research notes below describe isolated terpene mechanisms and early findings. They do not guarantee effects from this strain and are not medical advice.
Russo 2011: naloxone-sensitive analgesia, potentiates barbiturate sleep; dominant sedating terpenoid; blocks hepatic carcinogenesis by aflatoxin.
~28%
spicy
●●○○
Russo 2011: only terpene that is a selective full CB2 agonist (100 nM); Gertsch et al. 2008: acts as dietary cannabinoid; unique anti-inflammatory and gastric cytoprotective properties.
Russo 2011: acetylcholinesterase inhibitor (IC50 0.44 mM) counteracting THC-induced short-term memory deficits; most widely encountered terpenoid in nature; anti-inflammatory via PGE-1.
Effects
Reported effects — derived from terpene chemistry and cannabinoid profile.
Genetic Profile
Pure Indica
■ Indica 100%■ Sativa 0%
Body-heavy, relaxing genetics. Short stature, dense buds, broad leaves.
THC-Dominant
High THC, trace CBD. Psychoactive. Full CB1 agonism — euphoria, appetite, analgesia.
Genealogy
Parent data not yet recorded for Chem Sister.
Composite Traits
Where to buy Chem Sister
No verified dispensaries on file — find it on Leafly.
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What would Chem Sister × ? produce?
Predict the terpene profile, effects, and growing traits of a cross. Our gene weaver engine votes on dominant traits from both parents.
Build a cross with Chem Sister →Similar strains
Same primary terpene with overlapping effects.
Frequently Asked Questions
Is Chem Sister indica or sativa?
Chem Sister is modeled here as a pure indica (body-heavy, relaxing genetics).
What terpene is dominant in Chem Sister?
Myrcene is shown as the dominant terpene at approximately ~60%. Caryophyllene follows as the secondary terpene.
Is Chem Sister good for daytime use?
Chem Sister is versatile and works across different times of day depending on dose and individual response.
How accurate is this data?
See the "Data confidence" card in the sidebar. Terpene profiles and effects are chemistry-informed estimates — individual responses depend on phenotype, source, and personal chemistry.