Home Products Etrasimod
Etrasimod
Synonyms: APD 334
CAS NO:
Molecular Formula: C26H26F3NO3
Molecular Weight: 457.48
Purity: 1206123-37-6
Solubility: DMSO
Storage: -20°C
Availability and Price
In stock If the item is temporarily out of stock. Please email to order@pharm-intermediates.com,we will inform you when we have it in stock.
Order       Order Infomation
Shipping and handling fee USD40
Free delivery is qualified when the total value of your order exceeds 500USD
Remarks: Etrasimod (APD334) is a potent, selective and orally available antagonist of the sphingosine-1-phosphate-1 (S1P1) receptor with an IC50 value of 1.88 nM in CHO cells.

Quality Control

Quality Control by H-NMR,C-NMR,LC-MS,HPLC.
Related Products
Custom Synthesis
(+)-5-trans-Cloprostenol
(alphaR)-3-Ethoxy-4-methoxy-alpha-[(methylsulfonyl)methyl]benzenemethanamine
(+)-JQ-1
(R)-P7C3-OMe
(3aR,4R,5R,6aS)-5-((tert-butyldimethylsilyl)oxy)-4-((E)-3-hydroxy-5-phenylpent-1-en-1-yl)hexahydro-2H-cyclopenta[b]furan-2-one
17- Phenyl Trinor Prostaglandin F2alpha Methyl Amide
1815589-51-5
15S-(¡À£©-Cloprostenol
15S-Travoprost
138148-68-2
1-(3-Methoxybenzyl)-3-[4-(pyridin-4-yl)thiazol-2-yl]urea
2-chloro-11-cyclopentyl-5H-benzo[e]pyrimido[5,4-b][1,4]diazepin-6(11H)-one
2,6-difluoro-3-(propylsulfonamido)benzoic acid
3-Angeloylingenol
3-Quinolinecarboxylic acid, 7-(3,5-dimethyl-4-isoxazolyl)-4-hydroxy-6-methoxy-
4SC-201(resminostat,BYK408740)
4SC-202 free base
5-tert-butoxyquinazoline-2,4-diamine
5-[9-Isopropyl-d7-2-(4-morpholinyl)-9H-purin-6-yl]-2-pyrimidinamine
5,6-trans-1a,25-Dihydroxyvitamin D3
5,6-trans-Bimatoprost
6-(Boc-amino)hexyl bromide
6-Fluoro-3-hydroxypyrazine-2-carboxamide
850664-21-0 (925213-63-4)
Angiotensin acetate
Argireline
A 83-01
Atosiban Acetate
Atglistatin
AZ5104
AZD 8835;AZD8835
ASP 3026
ABT-333
AR-A014418
AMD 3465 hexahydrobromide
Ampalex CX-516
AWD 131-13
AP26113
AVL-292
AMG 319
AMG 925
AG1024
AZD5363
Avosentan; Ro 67-0565 SPP-301
AT-406
Apoptosis Activator 2
AT 7867
Apremilast enantiomer
AST-1306
ABT-737
AT 101
A-803467
AP23848 PF-562771
AN-2690(Tavaborole)
AZD 5597
AZD 6482
AZD-3463
AM555S,TAC-101,Amsilarotene
Atorvastatin sodium salt
Alogliptin benzoate(SYR 322)
Altiratinib;DCC 2701; DP 5164
AMG 517
AG-490
Apixaban
AGI-6780
Alfacalcidol
Anamorelin
AG-120;AG 120
Amrubicin
AGI-5198 (IDH-C35)
AZD2461
AN 2728
AZD-3514
Acalabrutinib (ACP-196)
AZD 8186;AZD8186
A-740003
Ansamitocin P 3
APY 29
Akti-1/2
A 796260
ABT-199 (GDC-0199)
AG 18; AG 18 (pharmaceutical); RG 50810; RG 50858; TX 825; Tyrphostin 23; Tyrphostin A 23; Tyrphostin AG 18
AZ 23
Actinomycin D
ABT-263 (Navitoclax)
APY0201
AZD9496
ARRY-543
ATB 346
AZD-4547
Abiraterone Acetate
AZD1208
Aprepitant (MK-0869)
APD668
A 769662
AM 580
ADL-5859 HCL
AZ-7371
AZD3759
A 922500
Alvelestat (AZD9668)
Apremilast
Amiodarone hydrochloride
AMG-073 HCl (Cinacalcet HCl)
Aliskiren Hemifumarate
Aripiprazole lauroxil
Amlodipine
Alvespimycin
Ascomycin
AT 56
Ametantrone(NSC 196473)
AT13148;AT 13148; AT-13148
AZD7762
ARN-509
ACTB-1003
AdipoRon
BMS-790052
BMN-673; LT-673
Bioymifi
BMS833923 XL-139
Brigatinib (AP-26113)
BMN 673
BX-912 BX912;BX 912
BMS 626529
BI6727 (Volasertib)
BMS-599626
BMS-806 (BMS 378806)
BMS 303141
BMS-345541
BIBR-953
BLU9931
Birinapant (TL32711)
BMS-754807; BMS754807; BMS 754807
Basmisanil
Brivudine;Bromovinyldeoxyuridine
Brexpiprazole
BBI608£»Napabucasin
Batimastat (BB-94)
BAN ORL 24
BRD73954
Bazedoxifene
BMS-536924
Bafilomycin A1
Bremelanotide PT 141
BNC105P
BI-D1870
BMS663068 Fostemsavir
BX795 BX-795
Boceprevir
Baricitinib INCB 028050 LY3009104
BML 190
BAY 87-2243
BMS-708163 (Avagacestat)
BIO-acetoxime
B-Raf IN 1
BRD4770
BIBR 1532
BMH-21
BMS-791325;Beclabuvir
BDTH2
BMS-946815
Bexarotene
BMS-903710
BI 2536
BIO 32546,BIO32546
Bromosporine
CI-994 (Tacedinaline)
CAY10572;PHA 767491
CHIR-124.
CH 223191
CPI 203
CNV1014802(GSK-1014802)
Clemizole hydrochloride
CM 346(Obenoxazine); Afobazole
Chidamide(CS055; HBI-8000)
CTX 0294885;CTX0294885
cetuximab
CS 610; GM 6001; Ilomastat;
CH 223191
CL-387785(EKI785; WAY-EKI 785)
CP 640186
CID797718
CCG1423;CCG-1423
CID 755673
CPI-268456
CGI-1746
Cardiogenol C
Cariprazine
CP-945598 hydrochloride
CTEP
Cobicistat
CB5083;CB-5083
CEP 32496
Carfilzomib (PR-171)
CDDO-Methyl ester,TP-155C
c-FMS inhibitor
Cariporide
CK1827452
CHS 828; GMX 1778
Cyclopamine
Calcitriol
Cilomilast (SB-207499)
Crizotinib (PF-02341066)
CX-4945
CP 673451
Crenolanib (CP-868569)
Cimetidine
CH 5424802
Cidofovir
CYC116
CPI-613
Canagliflozin
CHIR-99021 (CT99021)
Cladribine
Cimetidine
Celecoxib
CX-6258
CGK 733
Cerdulatinib (PRT062070, PRT2070)
CCT-244747; CCT 244747
CP 466722
Cinaciguat BAY-58-2667
CUDC 907;CUDC907
CUDC 907;CUDC907
Carubicin
Cabazitaxel
Catharanthine sulfate
Curcumin
Cordycepin
Clemizole
cis,cis,cis-1,2,3,4-Tetrakis[(diphenylphosphino)methyl]cyclopentane
Calcitonin salmon
Cabazitaxel N-1
Calcipotriol
CW069;CW-069
Deslorelin Acetate
DMXAA
Desmopressin acetate
DY131
Delanzomib CEP-18770
Dapagliflozin
Decernotinib (VX-509)
DAPT (GSI-IX)
Dihydro-FK 506
Dacinostat (NVP-LAQ824, LAQ824)
D-64131
Dovitinib (TKI-258, CHIR-258)
Dynasore
DCC-2036 (Rebastinib)
Didesethylflurazepam dihydrochloride
dovitinib lactate
Detomidine HCl (Dormosedan)
DGAT-3
Dapivirine
Dimebolin
Doramectin
Dimethyloxaloylglycine (DMOG)
DMAB-anabaseine
DMBX-anabaseine;DMXB-A;GTS 21
Dabrafenib
DDR1-IN-1
Dofetilide
Dorsomorphin
Dalbavancin HCl
DM 1; Maytansinoid DM 1
DBeQ; JRF 12
Doxercalciferol
Danusertib;PHA-739358
Eluxadoline;JNJ 27018966
ENIPORIDE
Enzastaurin (LY317615)
Eravacycline TP-434
Enasidenib
ENMD-2076
EPZ004777;EPZ 004777;EPZ-004777
Elagolix
Ezatiostat; Ter 199; Terrapin 199
Etofenamate
Etrasimod
EPZ015666
Endoxifen
EMD 534085
ETP46464£»ETP-46464
EPZ005687
E-64
Elvitegravir (GS-9137)
Epothilone D
Exenatide acetate
Epoxomicin (BU-4061T)
Eltrombopag olamine
Eltrombopag
empagliflozin
Ellipticine
Entospletinib
ethyl 6-chloronicotinate
ethyl 6-(pyrrolidin-1-yl)nicotinate
EPZ-5676
endo-IWR 1
EHOP-016
EMD-1214063
ELR510444;ELR 510444
Erteberel
ENMD-2076 Tartrate
Etrasimod
EPZ6438; EPZ 6438; E-7438
ECBC hcl; 1-[(4R,5R)-4,5-Dihydroxy-L-ornithine]echinocandin B hydrochloride (1:1)
Eptifibatide
Etrasimod
Fenretinide (4-HPR)
FGF401
FUB 359
FOSFOMYCIN SODIUM
Fingolimod hydrochloride
Flupenthixol dihydrochloride
Fondaparinux sodium
FOSFOMYCIN SODIUM
Fidaxomicin
FL118
FLI-06
FUB 359 maleate salt
FK-3311;FK3311
Fostamatinib disodium
FOSFOMYCIN SODIUM
FAI;5S rRNA modificator
Fludarabine phosphate
Flupenthixol dihydrochloride
FLLL32
FK866 (APO866)
FG-4592
GSK-LSD1 (LSD1 inhibitor)
GANT 61
GSK 1059615;GSK1059615
GS-7340(Tenofovir alafenamide)
GW 843682X
GSK1904529A
GSK-503;GSK503
Geldanamycin
GDC-0994
Gambogic acid
GSK 650394
Golvatinib (E7050)
GDC 0623
GLPG0634 (Filgotinib)
GSK 3787
Gonadorelin acetate
Genz-123346
GBR 12935 dihydrochloride
GLPG0634(filgotinib)
GSK1210151A
GW 9508
GSK 2578215A
Growth hormone releasing peptide;GHRP-6
GSK-2606414;GSK2606414
GNF-2
GW 9662
Gonadorelin acetate
GSK256066
GW3965 HCl
gsk 126 gsk126
GSK1292263
GSK-137831
GNF 5837
GDC 0068
GW 441756
GW 5074
GBR 12935 dihydrochloride
GSK 429286 A
GW 501516
GSK 742457;SB 742457
GW-6604
GDC-0810;ARN-810
GW788388
GSK 2334470;GSK2334470
GW 7647
GIT 27; VGX 1027
GW2580
GSK-3InhibitorI,TDZD-8;NP 01139
Glycine isopropyl ester hydrochloride
G007-LK
GSK525762 (I-BET-762)
GSK 1070916
GSKJ1;GSK J1
GSK1349572
HG-10-102-01
HA14-1
HMN-214
HPGDS inhibitor-1
HQL 79
HBX 41108
H-89 dihydrochloride
Hexarelin
HA 1100 hydrochloride
Ixabepilone
Indisulam
Ibutamoren mesylate MK-677
Ingenol
Ixazomib (MLN2238)
IKK¦Å-IN-1
IKK-16
INNO-206
ITD 1;ITD-1
Istaroxime;PST-2744
ICG-001
IWP-2
ICA 121431£» ICA-121431
ISRIB
Ixazomib (MLN-9708)
IOWH032
ISRIB
Inolitazone
IU1
INCB 3284 bimesylate
Idasanutlin (RG-7388);RG 7388
Idoxifene
Indacaterol
Isoindigotin
IRAK-1-4 Inhibitor I
IRAK inhibitor 6
ICG-001
ISX-9
IOX2
INCB024360
JAK2 Inhibitor V Z3
JTC 801
JSH 23
JZL 184
J-147;J147;J 147
JW55;JW 55;JW-55
JNJ-31020028
JNJ 26854165 JNJ-26854165 Serdemetan
JNJ 42041935
JIB04
JIB-04;JIB 04
JDTic 2HCl
JNJ 5207852 dihydrochloride
KPT-330, (E)-RN
Ki16425
Kobe0065
KU14R
KPT-276
KU-55933
KU 0060648 trihydrochloride
KB-R7943 mesylate
KN-62
KY02111
kb-NB77-78
KU-60019
KX1-004
Kobe 2602
Ki-20227
Kanamycin sulfate
KC7F2
LH846
Linagliptin (BI-1356)
LX 1606;LX1606
LY2874455
LB-100
LY2157299
Losartan carboxylic acid
Linaclotide
LDK378
LY 2886721 hydrochloride salt
LY2886721
Laninamivir
LY315920(Varespladib)
Laquinimod (ABR-215062)
LGD 4033;LGD-4033
LCZ696
Lithospermic acid B
Linsitinib OSI-906
LDN193189
LY2608204
Ledipasvir GS 588
Lesinurad(RDEA594) sodium
LY-2584702;LY2584702
Lersivirine(UK 453061)
LY2409881 trihydrochloride
LCL161
LY2940680
L189
LY335979
LY364947
Lypressin Acetate
LMK235;LDK-235
LRRK2-IN-1
LY2603618,IC-83
LY2801653
LY2811376
LY3009120;DP 4978; LY 3009120
LDC1267
LHW090-A7
LY 2109761
Leuprorelin acetate
L755507
LY2183240
LDN-212854
Lonafarnib
Lecirelin (Dalmarelin) Acetate
Monomethylauristatin E(MMAE)
Macitentan
Maxacalcitol
Miriplatin
MBX-2982
Melanotan-1
Midostaurin (PKC412)
MK 0812
MLN 4924
MK-886
Mitomycin C
ML 7 hydrochloride
MPEP
MK 4305
Mizoribine
Marbofloxacin
MDA 19
Malonoben
MK-2048
MLN120B
Maxacalcitol
MRS 2578
Mitozolomide
MK-0524
Micafungin FR-179642 impurity (acid)
MK-8245
MK-3102;Omarigliptin
Maropitant
MDL 29951
MS436
MK-8245
MEK162 (ARRY-162)
ML 323
Merck-5
MSDC-0160;CAY10415
MK-0752
Meleagrin
MRE-269
MK-1775
MCC950
Molidustat;BAY85-3934
MK 3207
ML 161;ML161
MCOPPB trihydrochloride
Mivebresib£»ABBV-075
Monomethylauristatin F
Melanotan II
M344
Mdivi-1
Naxagolide
NITD 609
NVP-BEP800
NMS-873
NQDI-1;NQDI1
Nutlin 3
N-benzyl-2-(6-bromo-2-methylquinolin-4-yloxy)acetamide
NU7441
Nicaraven
NS309
N-benzyl-N-methyl-1-(4-(trifluoromethyl)benzyl)piperidine-3-carboxamide
Nocodazole
Niraparib
Nutlin-3a
Neocuproine Hemihydrate
NSC-339555;BRYOSTATIN;BRYOSTATIN 1
ND 630
Naxagolide Hydrochloride
Naltrexone hydrochloride
Necrostatin-1
Nimorazole
Nexturastat A
NLG919
Nedocromil
NVP-TAE684
Nemorubicin
NVP-LDE225
N6022
NVP-BGJ398
NPS-2143 (SB262470)
N-(Pyridin-3-yl)pivalamide
NSC 405020
Nepicastat hydrochloride RS 25560-197
N-(4-iodopyridin-3-yl)pivalamide
NSC697923
NSC 405020
NVP-AEW 541
N-[2-[1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl]-2,3-dihydro-1,3-dioxo-1H-isoindol-4-yl]acetamide
Orlistat
OC000459
OTX015
Oclacitinib PF-03394197
Odanacatib MK-0822
ON123300
Octreotide Acetate
Oclacitinib maleate
Olmesartan medoxomil
ONX0912
Oxytocin Acetate
ODM-201
OSU-03012
opiorphin ; H-6504
OTSSP167
osi-420
Oleandrin
oritavancin,LY333328 phosphate salt
OSI-027
Oligomycin A
Obatoclax Mesylate; GX15-070
Org 27569
ON 01910 sodium salt;Rigosertib
ONO-4059
PF 429242
PF 8380
P7C3
Prucalopride
PF 06463922
Purvalanol B(NG 95)
PF03716556
PF 3758309
Pyroxamide
Pimecrolimus
PP 1
Pexidartinib(PLX-3397)
PP2
PF 3274167
PD 169316
PNU120596
PF 573228
PP 121
PI-3065
PF-04971729
PAC-1
Polymyxin B sulfate
P22077
PF-06687859
Pritelivir (BAY 57-1293)
PF-04880594
P5091 (P005091)
PF 477736
PR-619
Picropodophyllotoxin
PluriSln 1
PA-824
Pomalidomide
PPQ-102
PR 957£¨ONX 0914£©
PAI 039 Tiplaxtinin
PF-5274857
PX-478 dihydrochloride
PU-WS13
PF-4136309
PIK-294
PTC124 (Ataluren)
PJ 34 hydrochloride
PFI-4
Pentostatin
Piplartin;Piperlongumine
PF3845YNE
Plerixafor
Pacritinib
PU-H 71
Pimobendan
P7C3-A20
PYR-41
PD0332991
Parecoxib
PF-2545920
PFI-2
PF 3845
PS48
PF-431396
Posaconazole
Poziotinib (HM781-36B)
PFI-1(PF-6405761)
Parecoxib sodium
Pixantrone
PQ401
PTC-209
PSI 7977 Sofosbuvir
PS48
Palmitoyl Pentapeptide
P505-15
PD123319£»PD 123319
PND-1186;PND1186
Pralmorelin
PF-4708671;PF4708671;PF 4708671
Prucalopride Succinate
Pralatrexate
Purvalanol A£»(R)-Purvalanol A; NG 60
Paricalcitol(Zemplar)
PF 04449913
Purmorphamine
Plerixafor 8HCl (DB06809)
Paritaprevir;ABT-450;ABT 450
Perampanel
Prasugrel metabolite
Quizartinib AC-220
QS 11
QNZ (EVP4593)
Quisinostat(JNJ-26481585) 2HCl
R406
RGFP 966
RO5126766
Retapamulin SB-275833
Ramelteon TAK-375
RoMidepsin Depsipeptide(FK-228,NSC-63017)
R-428
RVT-501
RITA (NSC 652287)
Rocilinostat(ACY-1215)
Retigabine (Ezogabine)
Ruxolitinib (INCB-18424) phosphate
Rociletinib (CO-1686, AVL-301)
RKI 1447
Ribociclib (LEE011)
Ramoplanin
Radotinib; IY5511 HCl
Rostafuroxin£»PST2238
Regadenoson
Ro 61-8048
RGW 611
Reversine
Ro 3306
Riociguat
RN486
RO8994
Remodelin hydrobromide
RTA 408;RTA408
Rebeprazole sodium
RS127445
Roflumilast
SU-5614
SU5402
SL 327
SNS-032
SCH 900776
SB-737050-A
SU11272
Sotagliflozin;LP 802034; LX 4211
SGX-523
SC-144
Salubrinal
Salirasib
SB-505124
SB 271046 hydrochloride
SW033291
SKI II (SphK-I2)
Selinexor (KPT-330)
SP 600125
sitafloxacin isomer II(RSR)
sitafloxacin isomer I(SSR)
sitafloxacin isomer III(RRS)
STF-118804
Sunitinib malate
SB 743921 HCL
S63845
SB 202190£»SB202190 (FHPI)
SGC 0946 SGC-0946
SGI 7079
SCR7
SKLB 610;SKLB610
SAG (Smo agonist)
SB715992 £¨Ispinesib£©
StemRegenin 1(SR1)
SB715992 £¨Ispinesib£©
SEA 0400
SB 525334
SEP-0372814
SU9516
SCH772984
SKF 38393 hydrochloride
Sch 527123
SRT3109
SCR-1481B1
SB-239063
SY-R1487;R1487
Semagacestat (LY450139)
SGI-1776
Sermorelin acetate
SL251188
SMI-4a
Somatostatin
SC 26196
SB 408124
Solithromycin
SB 431542
Selamectin
SB 242084
STF-31
Staurosporine
Thiomyristoyl
Tipifarnib (Zarnestra)
Thiazovivin
THZ1 Hydrochloride
TPCA-1
Thymosin alpha 1
TGR-1202
TP-808
TPT-260 , NSC55712
Trelagliptin
TMC-207
TAPI-1
Torin 1
TAK 632;TAK-632;TAK632
TAK-715
Tenovin 6;Tenovin-6
TAK-875
TAK-438
Tafluprost acid
Triptorelin acetate
Tasisulam sodium LY-573636
TWS 119
Tirasemtiv(CK 2017357)
TRX818 sodium
Tasquinimod
Thymosin beta 4 acetate
Tedizolid phosphate
Tozadenant;SYN-115
TAME
TGR5
Tamsulosin hydrochloride
TAS 301
TOK-001
TAS-103(BMS-247615)
Tacrolimus
TIC10(ONC-201)
TTP 22
TAK-063;TAK063
TRV130 hydrochloride
Teniposide
TH-302
THIACETAZONE
Teneligliptin
Tildipirosin
Tasosartan
Torcetrapib (CP-529414)
Trichostatin A
Telmesteine
Ticagrelor
Tandutinib (MLN518)
Tenovin-3
TCS JNK 5a(JNK Inhibitor IX) SC-202671
TMP269
tert-butyl(((3aR,4R,6aR)-5-fluoro-2,2-dimethyl-6-((trityloxy)methyl)-4,6a-dihydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)oxy)diphenylsilane
T 0901317
Tyrosine kinase inhibitor
Trifluridine
Telaprevir
Temocapril hydrochloride
TGX 221
Tenovin-1
Trelagliptin succinate;SYR-472
Tenovin 6 HCL( Tenovin 2)
Tenovin 6 HCL Tenovin 2
Telatinib
Triptolide
T-1095 ;T 1095; T1095
Torin 2
UK 383367
UMI-77;UMI 77
UK-371804
URB597
URB 754
URMC-099
UNC-1999
UNC 1215;UNC1215;UNC-1215
VRT752271
Vortioxetine hydrobroMide
VX-745
VX 222
VS-5584 SB-2343; VS5584; VS 5584; SB2343; SB 2343
Vilazodone
VX-809
Vinpocetine
Voxtalisib (XL765)
Vidofludimus(4SC-101; SC12267)
Verteporfin
Vedroprevir(GS 9451)
Vindesine sulfate
VX-11e
VRT-1353385
VX 770
Valganciclovir hydrochloride
VR23
Voriconazole
VU 0357121
Vinorelbine tartrate
VU 0361737
VTP27999 HCL
Vitamin D4
VU 0364439
WAY-362450(XL335, FXR-450)
WZ4003
WIN 55212-2 mesylate
WZ 811
WS6;WS-6;WS-6
WHIP-154
WH-4-023
WS3;WS-3;WS 3
WAY-100635 maleate salt
XL-765, SAR245409
XMD17-109
XL388
XMD 8-92
XL019
XEN445
Y27632
YS-49
YK 4-279
YM90Khydrochloride
Y 27632 dihydrochloride
YM 155
Y320;Y-320
ZM 241385
Zotarolimus A179578 ABT 578
Z-VAD-FMK
ZM323881
Zibotentan
Z-JIB-04 (NSC 693627)
ZSTK 474
Zonisamide sodium salt
ZLN005
[2,8-Bis(trifluoromethyl)-4-quinolinyl]-2-pyridinylmethanone
[1,1’-Biphenyl]-4-carboxylic acid, (3aR,4R,5R,6aS)-4-[(1E,3S)-3-[[(1,1-diMethylethyl)diMethylsilyl]oxy]-5- phenyl-1-pentenyl]hexahydro-2-oxo-2H-cyclopenta[b]furan-5-yl ester
 

None of the products will be supplied to countries in which this could be in conflict with the existing patents. However the final responsibility lies with the Buyer.

Our products are for research use only, not for human use.
 
Homepage | About Us | Products | News&Events | Custom Synthesis | Order Infomation | Contact Us
Friendly link: molbase   Copyright © Taizhou Crene Biotechnology Co.,Ltd. 技术支持:趋势科技