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ChemicalBook >> CAS DataBase List >> 4-Aza-5a-androstan-1-ene-3-one-17b-carboxylic acid

4-Aza-5a-androstan-1-ene-3-one-17b-carboxylic acid

4-Aza-5a-androstan-1-ene-3-one-17b-carboxylic acid price.
  • $25 - $2944
  • Product name: 4-Aza-5a-androstan-1-ene-3-one-17b-carboxylic acid
  • CAS: 104239-97-6
  • MF: C19H27NO3
  • MW: 317.42
  • EINECS:1592732-453-0
  • MDL Number:MFCD08063794
  • Synonyms:4-AZA-5ALPHA-ANDROSTA-1-EN-3-ONE-17BETA-CARBOXYLIC ACID;(5APHA,17BETA)-3-OXO-4-AZAANDROST-1-ENE-17-CARBOXYLIC ACID;3-Oxo-4-aza-5a-androst-1-ene-17b-carboxylicAcid;(5alpha,17beta)-3-Oxo-4-azaandrost-1-ene-17-carboxylic acid;4-Aza-5a-androstan-1-ene-3-one-17b-carboxylic acid;4-AZA-5A-ANDROSTAN-1-ENE-3-ONE-17β-CARBOXYLIC ACID;3-Oxo-4-aza-5a-androst-1-ene-17-carboxylic Acid;3-Oxo-4-aza-5α-αndrost-1-ene-17β-carboxylic Acid
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  • Manufactureraablocks
  • Product numberAA008R8K
  • Product description3-Oxo-4-aza-5α-androst-1-ene-17β-carboxylic acid ≥98%
  • Packaging1g
  • Price$25
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA008R8K
  • Product description3-Oxo-4-aza-5α-androst-1-ene-17β-carboxylic acid 98%
  • Packaging5g
  • Price$64
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA008R8K
  • Product description3-Oxo-4-aza-5α-androst-1-ene-17β-carboxylic acid 98%
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  • Price$85
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA008R8K
  • Product description3-Oxo-4-aza-5α-androst-1-ene-17β-carboxylic acid 98%
  • Packaging25g
  • Price$170
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA008R8K
  • Product description3-Oxo-4-aza-5α-androst-1-ene-17β-carboxylic acid 98%
  • Packaging100g
  • Price$475
  • Updated2026-05-28
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  • ManufacturerACHEMBLOCK
  • Product numberT101581
  • Product description4-Aza-5a-androstan-1-ene-3-one-17b-carboxylic acid 97%
  • Packaging100G
  • Price$625
  • Updated2026-05-25
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  • ManufacturerACHEMBLOCK
  • Product numberT101581
  • Product description4-Aza-5a-androstan-1-ene-3-one-17b-carboxylic acid 97%
  • Packaging100G
  • Price$625
  • Updated2026-05-27
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  • ManufacturerACHEMBLOCK
  • Product numberT101581
  • Product description4-Aza-5a-androstan-1-ene-3-one-17b-carboxylic acid 97%
  • Packaging25G
  • Price$170
  • Updated2026-05-25
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  • ManufacturerACHEMBLOCK
  • Product numberT101581
  • Product description4-Aza-5a-androstan-1-ene-3-one-17b-carboxylic acid 97%
  • Packaging25G
  • Price$170
  • Updated2026-05-27
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  • ManufacturerAK Scientific
  • Product numberJ96084
  • Product description4-Aza-5alpha-androstan-1-ene-3-one-17beta-carboxylic acid 95%
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  • Price$76
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product numberJ96084
  • Product description4-Aza-5alpha-androstan-1-ene-3-one-17beta-carboxylicacid
  • Packaging25g
  • Price$252
  • Updated2021-12-16
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  • ManufacturerAK Scientific
  • Product numberJ96084
  • Product description4-Aza-5alpha-androstan-1-ene-3-one-17beta-carboxylic acid 95%
  • Packaging25g
  • Price$199
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product numberJ96084
  • Product description4-Aza-5alpha-androstan-1-ene-3-one-17beta-carboxylic acid 95%
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  • Price$26
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product numberR787
  • Product description4-Aza-5alpha-androstan-1-ene-3-one-17beta-carboxylic acid 98%(HPLC)
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  • Price$35
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product numberR787
  • Product description4-Aza-5alpha-androstan-1-ene-3-one-17beta-carboxylic acid 98%(HPLC)
  • Packaging5g
  • Price$99
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product numberJ96084
  • Product description4-Aza-5alpha-androstan-1-ene-3-one-17beta-carboxylic acid 95%
  • Packaging10g
  • Price$100
  • Updated2026-06-04
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Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA008R8K 3-Oxo-4-aza-5α-androst-1-ene-17β-carboxylic acid ≥98% 1g $25 2026-05-28 Buy
aablocks AA008R8K 3-Oxo-4-aza-5α-androst-1-ene-17β-carboxylic acid 98% 5g $64 2026-05-28 Buy
aablocks AA008R8K 3-Oxo-4-aza-5α-androst-1-ene-17β-carboxylic acid 98% 10g $85 2026-05-28 Buy
aablocks AA008R8K 3-Oxo-4-aza-5α-androst-1-ene-17β-carboxylic acid 98% 25g $170 2026-05-28 Buy
aablocks AA008R8K 3-Oxo-4-aza-5α-androst-1-ene-17β-carboxylic acid 98% 100g $475 2026-05-28 Buy
ACHEMBLOCK T101581 4-Aza-5a-androstan-1-ene-3-one-17b-carboxylic acid 97% 100G $625 2026-05-25 Buy
ACHEMBLOCK T101581 4-Aza-5a-androstan-1-ene-3-one-17b-carboxylic acid 97% 100G $625 2026-05-27 Buy
ACHEMBLOCK T101581 4-Aza-5a-androstan-1-ene-3-one-17b-carboxylic acid 97% 25G $170 2026-05-25 Buy
ACHEMBLOCK T101581 4-Aza-5a-androstan-1-ene-3-one-17b-carboxylic acid 97% 25G $170 2026-05-27 Buy
AK Scientific J96084 4-Aza-5alpha-androstan-1-ene-3-one-17beta-carboxylic acid 95% 5g $76 2026-06-04 Buy
AK Scientific J96084 4-Aza-5alpha-androstan-1-ene-3-one-17beta-carboxylicacid 25g $252 2021-12-16 Buy
AK Scientific J96084 4-Aza-5alpha-androstan-1-ene-3-one-17beta-carboxylic acid 95% 25g $199 2026-06-04 Buy
AK Scientific J96084 4-Aza-5alpha-androstan-1-ene-3-one-17beta-carboxylic acid 95% 1g $26 2026-06-04 Buy
AK Scientific R787 4-Aza-5alpha-androstan-1-ene-3-one-17beta-carboxylic acid 98%(HPLC) 1g $35 2026-06-04 Buy
AK Scientific R787 4-Aza-5alpha-androstan-1-ene-3-one-17beta-carboxylic acid 98%(HPLC) 5g $99 2026-06-04 Buy
AK Scientific J96084 4-Aza-5alpha-androstan-1-ene-3-one-17beta-carboxylic acid 95% 10g $100 2026-06-04 Buy

Properties

Melting point :295-297 °C
Boiling point :527.3±50.0 °C(Predicted)
Density :1.166
storage temp. :2-8°C
solubility :Acetonitrile (Slightly), DMSO (Slightly), Methanol (Slightly, Sonicated)
pka :4.80±0.60(Predicted)
form :Solid
color :Off-White to Pale Brown
InChIKey :FDESQZBVTKLIQN-MLGOENBGSA-N
SMILES :N1[C@@]2([H])[C@@](C)([C@@]3([H])CC[C@@]4(C)[C@]([H])([C@]3([H])CC2)CC[C@@H]4C(O)=O)C=CC1=O

Safety Information

Symbol(GHS): Health Hazard (GHS08)Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H361 Suspected of damaging fertility or the unborn child Reproductive toxicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
Precautionary statements:
P201 Obtain special instructions before use.
P202 Do not handle until all safety precautions have been read and understood.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P281 Use personal protective equipment as required.
P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P308+P313 IF exposed or concerned: Get medical advice/attention.
P330 Rinse mouth.
P405 Store locked up.
P501 Dispose of contents/container to..…

Description

4-Aza-5a-androstan-1-ene-3-one-17b-carboxylic acid is an intermediate in the synthesis of Finasteride, am onhibitor of 5a-reductase, the enzyme which converts testosterone to the more potent androgen, 5a-dihydrotestosterone

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