Date published: 2025-12-24

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SRD5A2L Inhibitors

SRD5A2L inhibitors are a class of chemical compounds that specifically target and inhibit the action of the enzyme steroid 5 alpha-reductase 2-like (SRD5A2L). This enzyme is part of a family of enzymes known as 5-alpha reductases, which are involved in the processing and metabolism of steroids within the body. The SRD5A2L enzyme plays a crucial role in the conversion of testosterone into its more potent form, dihydrotestosterone (DHT), among other steroid transformations. By inhibiting SRD5A2L, these compounds can influence the balance and levels of steroids in the body, particularly affecting the availability of DHT and potentially other steroids that are substrates for this enzyme.

The inhibition of SRD5A2L by these inhibitors is typically achieved through the binding of the inhibitor to the active site of the enzyme, which blocks the enzyme's ability to interact with its natural substrate, testosterone. This type of inhibition can be competitive, non-competitive, or uncompetitive depending on the mechanism by which the inhibitor binds to the enzyme. The structural design of SRD5A2L inhibitors often mimics the substrate's structure to some extent in order to achieve a high affinity for the enzyme's active site. The selectivity of these inhibitors for SRD5A2L, as opposed to other isozymes in the 5-alpha reductase family, is a key aspect of their design, as it determines the specificity of their action within the complex network of steroid metabolism. The precise molecular interactions and the binding kinetics between the inhibitors and the SRD5A2L enzyme are essential factors that define the potency and efficacy of these inhibitors in altering the activity of the enzyme.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Finasteride

98319-26-7sc-203954
50 mg
$103.00
3
(1)

A specific inhibitor of SRD5A2L's enzyme activity, finasteride blocks the conversion of testosterone to dihydrotestosterone (DHT), thereby reducing DHT levels and SRD5A2L's functional activity in androgen-dependent processes.

Dutasteride

164656-23-9sc-207600
10 mg
$167.00
2
(1)

Similar to finasteride, dutasteride inhibits SRD5A2L by blocking the conversion of testosterone to DHT, but is more potent and inhibits multiple isoforms of the enzyme, leading to a more pronounced decrease in SRD5A2L activity.

Zinc

7440-66-6sc-213177
100 g
$47.00
(0)

Zinc can act as an indirect inhibitor of SRD5A2L by binding to the enzyme and influencing its conformation and catalytic activity, leading to a decrease in the production of DHT.

Azelaic acid

123-99-9sc-257106
25 g
$41.00
(0)

While azelaic acid’s primary mechanism is not well understood, it has been shown to inhibit 5-alpha reductase activity, the enzyme category to which SRD5A2L belongs, potentially reducing the conversion of testosterone to DHT.

α-Linolenic Acid

463-40-1sc-205545
sc-205545A
50 mg
250 mg
$37.00
$113.00
2
(2)

Gamma-linolenic acid, an omega-6 fatty acid, has been suggested to inhibit 5-alpha reductase, thereby potentially reducing SRD5A2L activity and DHT levels.

Ketoconazole

65277-42-1sc-200496
sc-200496A
50 mg
500 mg
$62.00
$260.00
21
(1)

An antifungal agent that has been observed to inhibit steroidogenesis, ketoconazole may indirectly inhibit SRD5A2L activity by reducing substrate availability.

Flutamide

13311-84-7sc-204757
sc-204757A
sc-204757D
sc-204757B
sc-204757C
1 g
5 g
25 g
500 g
1 kg
$46.00
$153.00
$168.00
$515.00
$923.00
4
(1)

An antiandrogen that competes with androgens for androgen receptors, flutamide can indirectly decrease SRD5A2L activity by reducing the action of DHT produced by the enzyme.

Lycopene

502-65-8sc-205738
sc-205738A
sc-205738B
1 mg
5 mg
1 g
$143.00
$571.00
$6125.00
4
(1)

Lycopene, a carotenoid found in tomatoes, has been reported to inhibit 5-alpha reductase, suggesting a potential indirect inhibition of SRD5A2L and its role in DHT production.