1. Introduction of Histrelin
Histrelin is one kind of white or almost white lyophilized powder. It can freely soluble in water. The IUPAC Name of this chemical is N-[1-[[1-[[1-[[1-[[3-(1-benzylimidazol-4-yl)-1-[[1-[[5-(diaminomethylideneamino)-1-[2-(ethylcarbamoyl). Histrelin belongs to Peptide. Besides, the Classification Code of it is Antineoplastic Agents; LHRH agonist; Natural Product; Reproductive Effect.

2. Properties of Histrelin
Physical properties about Histrelin are:
(1)H bond acceptors: 30; (2)H bond donors: 17; (3)Freely Rotating Bonds: 36; (4)Polar Surface Area: 446.86 Å²; (5)Index of Refraction: 1.701; (6)Molar Refractivity: 350.516 cm³; (7)Molar Volume: 906.363 cm³; (8)Surface Tension: 64.545 dyne/cm; (9)Density: 1.46 g/cm³; (10)Product Categories: Peptide; (11)Storage Temp: -20°C; (12)Form: powder.

3. Structure Descriptors of Histrelin
(1)InChI: InChI=1/C66H86N18O12/c1-4-70-64(95)55-17-11-25-84(55)65(96)48(16-10-24-71-66(67)68)76-58(89)49(26-38(2)3)77-62(93)53(30-43-34-83(37-74-43)33-40-12-6-5-7-13-40)81-59(90)50(27-39-18-20-44(86)21-19-39)78-63(94)54(35-85)82-60(91)51(28-41-31-72-46-15-9-8-14-45(41)46)79-61(92)52(29-42-32-69-36-73-42)80-57(88)47-22-23-56(87)75-47/h5-9,12-15,18-21,31-32,34,36-38,47-55,72,85-86H,4,10-11,16-17,22-30,33,35H2,1-3H3,(H,69,73)(H,70,95)(H,75,87)(H,76,89)(H,77,93)(H,78,94)(H,79,92)(H,80,88)(H,81,90)(H,82,91)(H4,67,68,71)/t47-,48-,49-,50-,51-,52-,53+,54-,55-/m0/s1
(2)Smiles: N1(C([C@@H](NC([C@@H](NC([C@H](NC([C@@H](NC([C@@H](NC([C@@H](NC([C@@H](NC([C@H]2NC(=O)CC2)=O)Cc2[nH]cnc2)=O)Cc2c[nH]c3c2cccc3)=O)CO)=O)Cc2ccc(O)cc2)=O)Cc2ncn(c2)Cc2ccccc2)=O)CC(C)C)=O)CCCNC(=N)N)=O)[C@H](C(=O)NCC)CCC1
(3)InChIKey: InChIKey=HHXHVIJIIXKSOE-QILQGKCVSA-N

4. Safety information of Histrelin
Hazard Codes: T
Risk Statements: 60
R60:May impair fertility.
Safety Statements: 53-22-36/37/39-45
S53:Avoid exposure - obtain special instructions before use. 
S22:Do not breathe dust. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
WGK Germany: 3
RTECS: OK6370800

5. Uses of Histrelin
Histrelin is a nonapeptide analog of gonadotropin-releasing hormone (GnRH) with added potency. When present in the bloodstream, it acts on particular cells of the pituitary gland called gonadotropes. Histrelin stimulates these cells to release luteinizing hormone and follicle-stimulating hormone. Thus it is considered a gonadotropin-releasing hormone agonist or GnRH agonist.

6. Production of Histrelin
Solid phase synthesis Histrelin. Di (methyl-phenyl) methanamine as a resin, and with a 3-fold excess of the BOC and bicyclo-carbodiimide (DCC) as an activating agent, the reaction in dichloromethane for 2 h, and the BOC-protected glycinecoupling and resin. Then up and down an amino acid, washing, deprotection. Finally, you can get the Histrelin.