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IGF-1 LR3

CAS No.
946870-92-4
Chemical Name:
IGF-1 LR3
Synonyms
KL80;CL281;LR3-IGF1;IDF-1 LR3;IGF LR3-1;IGF-1 LR3;IGF-1Lr3 Igtropin;IGF-1 LR3 0.1mg /1mg;LR3-IGF1 (100mcg/vial;LR3-IGF1, LR3-IGF-1, IGF1
CBNumber:
CB6947862
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
Mol file
Last updated:2025-12-12 17:04:03

IGF-1 LR3 Chemical Properties,Uses,Production

Mechanism of action

IGF-1 LR3 binds to cell receptors in the muscle cells and activates cell communication, which then improves the growth rate of muscles.IGF-1 LR3 obstructs the movement of glucose into the body’s cells. This facilitates fat burning and the use of fat in the body for the production of energy. IGF-1 LR3 has a life in the body for about 20-30 hours and therefore enhance the growth amount of muscle for a whole day.

Structure

IGF-1 LR3 is a recombinant synthetic growth factor of ~9.1 kDa, a single polypeptide chain containing 83 amino acid residues. It is an analog of IGF-1 comprised of the complete IGF-1 sequence, with an Arginine substitution for the third position Glutamic acid and a 13 amino acid length N terminus peptide extension. It has been engineered for higher biological potency in vitro, with an increased half-life. This recombinant IGF-1 LR3 product is a highly potent growth factor ideal for stem cell research and cell manufacturing applications, including cells of the ectoderm linage (oligodendrocytes, motor neurons) and mesoderm linage (osteocytes, chondrocytes, and muscle cells).

Description

Long arginine 3-IGF-1, abbreviated as IGF-1 LR3 or LR3-IGF-1, is a synthetic protein and lengthened analogue of human insulin-like growth factor 1 (IGF-1). It differs from native IGF-1 in that it possesses an arginine instead of a glutamic acid at the third position in its amino acid sequence ("arginine 3"), and also has an additional 13 amino acids at its N-terminus (MFPAMPLLSLFVN) ("long"), for a total of 83 amino acids (relative to the 70 of IGF-1).

Uses

The consequences of these modifications are that IGF-1 LR3 retains the pharmacological activity of IGF-1 as an agonist of the IGF-1 receptor, has very low affinity for the insulin-like growth factor-binding proteins (IGFBPs), and has improved metabolic stability.As a result, it is approximately three times more potent than IGF-1,and possesses a significantly longer half-life of about 20–30 hours (relative to IGF-1's half-life of about 12–15 hours).

benefits

Based on the literature, IGF1-LR3 has been shown to:
Increase Fat Loss
Aid in the development of lean muscle mass
Add protection against muscle wasting
Reduce inflammation

Side effects

Some possible side effects of IGF-1 LR3 may include the following: muscle and joint pain, nausea, headaches, hypoglycemia (usually when IGF-1 LR3 is administered in continuous high doses) and may be associated with increased risk of developing some cancers.

IGF-1 LR3 Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 101)Suppliers
Supplier Tel Email Country ProdList Advantage
Deepharma
+86-18072861291 +1-7372336996 eason@deefarma.com China 29 58
Rixing Chemical CO.,LTD.
+86-852-57055271 +8613237129059 sales@rixingbiz.com China 208 58
Wuhan Cell Pharmaceutical Co., Ltd
+86-13129979210 sales@cellwh.com China 376 58
Changzhou Xuanming Pharmaceutical Technology Co., Ltd.
+86-519-85525359 +86-15995072465 sales@xuanmingchem.com China 911 58
Strong peptide cross-border e-commerce Co. LTD
+undefined13930052870 qt01@qiangtaipharm.com China 84 58
Huaian Banting Trading Co., Ltd.
+8615833979905 sales2@bantingpeptide.com China 85 58
Shanghai Longyu Biotechnology Co., Ltd.
+8619521488211 info@longyupharma.com China 2541 58
Shandong Xuhuang New material CoLTD
+86-15095020839 +86-17660422208 China 726 58
Hebei Jiafan Trading Company Limited
+86-15354498258; +8615354498258 sales01@jiafan88.com China 208 58
Hainan Fubai Trading Co., LTD
+undefined852-57423927 13313004729@163.com China 103 58

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View Lastest Price from IGF-1 LR3 manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
IGF-1 LR3 pictures 2026-01-21 IGF-1 LR3
946870-92-4
0.99 RongNa Biotechnology Co.,Ltd
IGF-1 LR3 pictures 2026-01-21 IGF-1 LR3
US $1.00 / g/ml 1kit 99.9% 100KG .GZ HONESTCHEM CO.,LTD
IGF1 LR3 pictures 2026-01-21 IGF1 LR3
US $1.00 / g/ml 1kit 99.9% 100KG .GZ HONESTCHEM CO.,LTD
  • IGF-1 LR3 pictures
  • IGF-1 LR3
    946870-92-4
  • 0.99
  • RongNa Biotechnology Co.,Ltd
  • IGF-1 LR3 pictures
  • IGF-1 LR3
  • US $1.00 / g/ml
  • 99.9%
  • .GZ HONESTCHEM CO.,LTD
  • IGF1 LR3 pictures
  • IGF1 LR3
  • US $1.00 / g/ml
  • 99.9%
  • .GZ HONESTCHEM CO.,LTD
IGF-1 LR3 CL281 LR3-IGF1 IGF-1Lr3 Igtropin LR3-IGF1 (100mcg/vial IGF LR3-1 IDF-1 LR3 Recombinant Human Insulin-like Growth Factor-1 LR3, rhIGF-1 LR3-IGF1, LR3-IGF-1, IGF1 Recombinant Human Insulin-like Growth Factor LR3, rhIGF-1 IGF-1 LR3 0.1mg /1mg KL80 946870-92-4