CHEBI:61313 - C21-steroid

Main ChEBI Ontology Automatic Xrefs Reactions Pathways Models
ChEBI Name C21-steroid
ChEBI ID CHEBI:61313
ChEBI ASCII Name C21-steroid
Definition A steroid that has a structure based on a 21-carbon (pregnane) skeleton. Note that individual examples may have ring substituents at other positions and/or contain double bonds, aromatic A-rings, expanded/contracted rings etc., so the formula and mass may vary from that given for the generic structure.
Stars This entity has been manually annotated by the ChEBI Team.
Submitter T. Berardini
Supplier Information
Download Molfile XML SDF
Formula C21H36
Net Charge 0
Average Mass 288.511
Monoisotopic Mass 288.28170
InChI InChI=1S/C21H36/c1-4-15-9-11-18-17-10-8-16-7-5-6-13-20(16,2)19(17)12-14-21(15,18)3/h15-19H,4-14H2,1-3H3
InChIKey JWMFYGXQPXQEEM-UHFFFAOYSA-N
SMILES C1CCCC2C1(C3C(CC2)C4C(CC3)(C(CC4)CC)C)C
ChEBI Ontology
Outgoing C21-steroid (CHEBI:61313) is a steroid (CHEBI:35341)
Incoming 11,21-dioxoprogesterone (CHEBI:78601) is a C21-steroid (CHEBI:61313)
17α-hydroxy-C21-steroid (CHEBI:138141) is a C21-steroid (CHEBI:61313)
17α-hydroxypregn-5-ene-3,20-dione (CHEBI:63843) is a C21-steroid (CHEBI:61313)
17,20-dihydroxypregn-4-en-3-one (CHEBI:36726) is a C21-steroid (CHEBI:61313)
20-hydroxy-3-oxopregn-4-en-21-al (CHEBI:15690) is a C21-steroid (CHEBI:61313)
20-hydroxypregn-4-en-3-one (CHEBI:36728) is a C21-steroid (CHEBI:61313)
21-dehydrocortisol (CHEBI:78595) is a C21-steroid (CHEBI:61313)
21-dehydrocortisone (CHEBI:78596) is a C21-steroid (CHEBI:61313)
21-hydroxy-C21-steroid (CHEBI:138142) is a C21-steroid (CHEBI:61313)
3β-hydroxy-16α,17α-epoxypregnenolone (CHEBI:145045) is a C21-steroid (CHEBI:61313)
3-hydroxypregnan-20-one (CHEBI:50168) is a C21-steroid (CHEBI:61313)
4-pregnen-3β,20α-diol (CHEBI:85903) is a C21-steroid (CHEBI:61313)
4-pregnen-3β-ol-20-one (CHEBI:85899) is a C21-steroid (CHEBI:61313)
5α-pregnane (CHEBI:20656) is a C21-steroid (CHEBI:61313)
5β-pregn-11-ene-3,20-dione (CHEBI:79762) is a C21-steroid (CHEBI:61313)
5β-pregnane (CHEBI:20674) is a C21-steroid (CHEBI:61313)
5β-pregnane-3,20-dione (CHEBI:30154) is a C21-steroid (CHEBI:61313)
6β,16α,17α-trihydroxyprogesterone (CHEBI:137046) is a C21-steroid (CHEBI:61313)
6β-hydroxycortisol (CHEBI:139271) is a C21-steroid (CHEBI:61313)
6β-hydroxycortisone (CHEBI:139269) is a C21-steroid (CHEBI:61313)
7α-hydroxypregnenolone (CHEBI:81467) is a C21-steroid (CHEBI:61313)
9,11α-epoxypregn-4-ene-3,20-dione (CHEBI:17206) is a C21-steroid (CHEBI:61313)
algestone (CHEBI:763) is a C21-steroid (CHEBI:61313)
C21-steroid hormone (CHEBI:64600) is a C21-steroid (CHEBI:61313)
corticosterone (CHEBI:16827) is a C21-steroid (CHEBI:61313)
cortisone (CHEBI:16962) is a C21-steroid (CHEBI:61313)
fludrocortisone (CHEBI:50885) is a C21-steroid (CHEBI:61313)
hydroxypregnenolone (CHEBI:36730) is a C21-steroid (CHEBI:61313)
pregn-4-en-3-one (CHEBI:36725) is a C21-steroid (CHEBI:61313)
pregn-5-ene-3,20-dione (CHEBI:63837) is a C21-steroid (CHEBI:61313)
pregna-4,9(11)-diene-3,20-dione (CHEBI:16744) is a C21-steroid (CHEBI:61313)
pregnan-21-al (CHEBI:17934) is a C21-steroid (CHEBI:61313)
pregnan-21-ol (CHEBI:15938) is a C21-steroid (CHEBI:61313)
pregnenolone (CHEBI:16581) is a C21-steroid (CHEBI:61313)
Synonym Source
a C21-steroid UniProt
Last Modified
28 October 2019