世界卫生组织（WHO）的单位标准取决于既定的检测方法。更多关于WHO标准的信息可查看NIBSC网站。
| R&D Systems Cytokine | R&D Systems Catalog Number | Reference Cytokine | NIBSC Product Number | Reference Standard Units/µg | Cell Line used for Bioassay | R&D Systems Cytokine 1 µg = units |
| rhActivin A | 338-AC | rhActivin A | 91/626 | 1 | K562 | 1 |
| rhBDNF | 248-BD | rhBDNF | 96/534 | 800 | BaF/3 hTrkB | 1.3 x 103 |
| rhBMP-2 | 355-BM | rhBMP-2 | 93/574 | 500 | ATDC-5 | 781 |
| rhEGF | 236-EG | rhEGF | 91/530 | 1.0 x 103 | Balb-3T3 | 1.4 x 103 |
| rhEpo | 286-EP | rhEpo | 11/170 | 150 | TF-1 | 150 |
| rhFGF-7 | 251-KG | rhFGF-7 | 03/148 | 900 | 4MBr-5 | 520 |
| rhFGF basic | 233-FB | rhFGF basic | 90/712 | 800 | NR6R-3T3 | 800 |
| rhFSH | 5925-FS | rhFSH | 92/642 | 13.8 | HEK293/h FSH R | 17.5 |
| rhFlt-3 Ligand | 308-FK | rhFlt-3 Ligand | 96/532 | 1.0 x 103 | Baflt | 1.2 x 103 |
| rhG-CSF | 214-CS | rhG-CSF | 88/502 | 1.0 x 105 | NFS-60 | 2.6 x 105 |
| rhGH | 1067-GH | hGH | 80/505 | 2.6 x 10-3 | Nb2-11 | 5.4 x 10-3 |
| rhGM-CSF | 215-GM | rhGM-CSF | 88/646 | 1.0 x 104 | TF-1 | 1.5 x 104 |
| rmGM-CSF | 415-ML | rmGM-CSF | 91/658 | 1.0 x 105 | DA3 | 3.5 x 105 |
| rhGRO alpha | 275-GR | rhGRO alpha | 92/722 | 1.0 x 105 | PMN | 2.11 x 105 |
| rhHGF | 294-HG | rhHGF | 96/564 | 1.0 x 103 | Saos-2 | 1.5 x 103 |
| rhIFN-beta | 8499-IF | rhIFN-beta | 00/572 | 2.0 x 105 | HeLa | 2.8 x 105 |
| rhIFN-gamma | 285-IF | rhIFN-gamma | 87/586 | 2.0 x 104 | HeLa | 2.0 x 104 |
| rmIFN-beta | 8234-MB | mIFN-beta | NR-3079** | NA | L929 | 1.2 x 106 |
| rmIFN-gamma | 485-MI | rmIFN-gamma | NIHGg02-901-533 | 1.0 x 103 | L929 | 8.43 x 103 |
| rhIGF-I | 291-G1 | rhIGF-I | 91/554 | 1 | MCF-7 | 1.9 |
| rhIGF-II | 292-G2 | rhIGF-II | 96/538 | 1000 | MCF-7 | 850 |
| rhIL-1 alpha | 200-LA | rhIL-1 alpha | 86/632 | 1.0 x 105 | D10.G4.1 | 1.6 x 105 |
| rmIL-1 alpha | 400-ML | rmIL-1 alpha | 93/672 | 1.0 x 106 | D10.G4.1 | 7.1 x 105 |
| rhIL-1 beta | 201-LB | rhIL-1 beta | 86/680 | 1.0 x 105 | D10.G4.1 | 1.4 x 105 |
| rmIL-1 beta | 401-ML | rmIL-1 beta | 93/668 | 1.0 x 106 | D10.G4.1 | 1.1 x 106 |
| rhIL-1ra | 280-RA | rhIL-1ra | 92/644 | 1.0 x 10-3 | D10.G4.1 | 1.0 x 10-3 |
| rhIL-2 | 202-IL | rhIL-2 | 86/500 | 1.4 x 104 | CTLL-2 | 2.1 x 104 |
| rmIL-2 | 402-ML | rmIL-2 | 93/566 | 1.0 x 105 | CTLL-2 | 2.5 x 105 |
| rhIL-3 | 203-IL | rhIL-3 | 91/510 | 1.7 x 103 | TF-1 | 1.8 x 103 |
| rmIL-3 | 403-ML | rmIL-3 | 91/662 | 1.0 x 105 | NFS-6 | 1.7 x 105 |
| rhIL-4 | 204-IL | rhIL-4 | 88/656 | 1.0 x 104 | TF-1 | 2.9 x 104 |
| rmIL-4 | 404-ML | rmIL-4 | 91/656 | 1.0 x 104 | HT-2 | 1.8 x 105 |
| rhIL-5 | 205-IL | rhIL-5 | 90/586 | 1.0 x 104 | TF-1 | 4.4 x 104 |
| rhIL-6 | 206-IL | rhIL-6 | 89/548 | 1.0 x 105 | T1165.85.2.1 | 1.1 x 105 |
| rmIL-6 | 406-ML | rmIL-6 | 93/730 | 1.0 x 105 | T1165.85.2.1 | 9.0 x 105 |
| rhIL-7 | 207-IL | rhIL-7 | 90/530 | 1.0 x 105 | activated PBL | 4.4 x 105 |
| rmIL-7 | 407-ML | rmIL-7 | 93/740 | 5.0 x 104 | activated PBL | 1.5 x 105 |
| rhIL-8 | 208-IL | rhIL-8 | 89/520 | 1.0 x 103 | PMN | see below** |
| rhIL-9 | 209-IL | rhIL-9 | 91/678 | 1.0 x 104 | MO7e | 8.4 x 103 |
| rmIL-9 | 409-ML | rmIL-9 | 93/504 | NA | TS1 | 0.9 µg |
| rhIL-10 | 217-IL | rhIL-10 | 93/722 | 5.0 x 103 | MC/9 | 1.45 x 104 |
| rhIL-11 | 218-IL | rhIL-11 | 92/788 | 1.0 x 104 | T11 | 1.05 x 104 |
| rhIL-12 | 219-IL | rhIL-12 | 95/544 | 1.0 x 104 | PBL | 1.1x 104 |
| rhIL-13 | 213-ILB | rhIL-13 | 94/622 | 1.0 x 103 | TF-1 | 780 |
| rhIL-15 | 247-IL | rhIL-15 | 95/554 | 1.0 x 104 | MO7e | 4.5 x 105 |
| rhLeptin | 398-LP | rhLeptin | 97/594 | 800 | BaF3/h OB R | 1.2 x 103 |
| rmLeptin | 498-OB | rmLeptin | 97/626 | 1.0 x 103 | BaF3/h OB R | 1.7 x 103 |
| rhLIF | 7734-LF | rhLIF | 93/562 | 1 x 104 | TF-1 | 1.27 x 104 |
| rhM-CSF | 216-MC | rhM-CSF | 89/512 | 6.0 x 104 | M-NFS-60 | 1.68 x 105 |
| rhMCP-1 | 279-MC | rhMCP-1 | 92/794 | 1.0 x 103 | MNC | 1.36 x 103 |
| rhMCP-2 | 281-CP | rhMCP-2 | 96/594 | 2.5 x 103 | MNC | see below** |
| rhMIP-1 alpha | 270-LD | rhMIP-1 alpha | 92/518 | 100 | MNC | 200 |
| rhMIP-1 beta | 271-BME | rhMIP-1 beta | 96/588 | 1.0 x 103 | MNC | 1.6 x 103 |
| rhbeta-NGF | 256-GF | rhbeta-NGF | 93/556 | 1.0 x 103 | TF-1 | 1.0 x 103 |
| rhNT-3 | 267-N3 | rhNT-3 | 98/718 | 1.0 x 103 | BaF/3 hTrkB | 2.1 x 103 |
| rhOSM | 295-OM | rhOSM | 93/564 | 5.0 x 104 | TF-1 | 6.2 x 104 |
| rhPDGF-BB | 220-BB | rhPDGF-BB | 94/728 | 750 | NR6R-3T3 | 5.8 x 103 |
| rhProlactin | 682-PL | rhProlactin | 84/500 | 0.0212 | Nb2-11 | 0.054 |
| rhRANTES | 278-RN | rhRANTES | 92/520 | 1.0 x 104 | MNC | 2.5 x 104 |
| rhSCF | 255-SC | rhSCF | 91/682 | 1.0 x 103 | TF-1 | 564 |
| porcine TGF-beta 1 | 101-B1 | bTGF-beta 1 | 89/516 | 18750 | HT-2 | 2.1 x 104 |
| porcine TGF-beta 2 | 102-B2 | hTGF-beta 2 | 90/696 | 2.0 x 104 | HT-2 | 5.6 x 104 |
| rhTGF-beta | 240-B | rhTGF-beta 1 | 89/514 | 1.9 x 104 | HT-2 | 2.5 x 104 |
| rhTGF-beta 3 | 243-B3 | rhTGF-beta 3 | 09/234 | 1.9 x 104 | HT-2 | 2.2 x 104 |
| rhTNF-alpha | 210-TA | rhTNF-alpha | 88/786 | 4.65 x 104 | L-929 | 7.6 x 104 |
| rmTNF-alpha | 410-MT | rmTNF-alpha | 88/532 | 2.0 x 105 | L-929 | 2.7 x 105 |
| rhTNF-beta | 211-TB | rhTNF-beta | 87/640 | 1.5 x 105 | L-929 | 4.6 x 104 |
| rhTRAIL | 375-TEC(E. coli) | rhTRAIL | 04/166 | 1.0 x 104 | L-929 | 5.6 x 103 |
| rhTRAIL | 375-TL(NS0) | rhTRAIL | 04/166 | 1.0 x 104 | L-929 | 3.2 x 103 |
| rhTSH | 4610-TH | rhTSH | 94/674 | 6.7 x 10-3 | HEK293/h TSH R | 7.9 x 10-3 |
| rhVEGF165 | 293-VE | rhVEGF165 | 02/286 | 1.0 x 103 | HUVEC | 1.1 x 103 |
**与R&D Systems的产品平行比较，WHO标准品的最大信号远低于R&D Systems产品，故不能使用ED50方法进行活性比较