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Peptides

Rigin

Also known as Tetrapeptide-7, Gly-gln-pro-arg, GQPR

CAS 77727-17-4Formula C18H32N8O6Molar mass 456.50 g/mol
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Rigin chemical structure, C18H32N8O6, CAS 77727-17-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
77727-17-4
Formula
C18H32N8O6
Molar mass
456.50 g/mol
HS code
293399
Category
Peptides

What is Rigin?

Plain description, key identifiers and synonyms

Rigin is an oligopeptide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S)-2-[[(2S)-1-[(2S)-5-amino-2-[(2-aminoacetyl)amino]-5-oxopentanoyl]pyrrolidine-2-carbonyl]amino]-5-(diaminomethylideneamino)pentanoic acid
CAS number
77727-17-4 CAS number cross-checked
Molecular formula
C18H32N8O6
UNII
X519T00027
MDL number
MFCD00076880
InChIKey
UEJYSALTSUZXFV-SRVKXCTJSA-N
InChI
InChI=1S/C18H32N8O6/c19-9-14(28)24-10(5-6-13(20)27)16(30)26-8-2-4-12(26)15(29)25-11(17(31)32)3-1-7-23-18(21)22/h10-12H,1-9,19H2,(H2,20,27)(H,24,28)(H,25,29)(H,31,32)(H4,21,22,23)/t10-,11-,12-/m0/s1
Canonical SMILES
NCC(=O)NC(CCC(N)=O)C(=O)N1CCCC1C(=O)NC(CCCN=C(N)N)C(=O)O
Isomeric SMILES
C1C[C@H](N(C1)C(=O)[C@H](CCC(=O)N)NC(=O)CN)C(=O)N[C@@H](CCCN=C(N)N)C(=O)O

Synonyms

  • Tetrapeptide-7
  • Gly-gln-pro-arg
  • GQPR
  • Gly-Gln-Pro-Arg-OH
  • Glycyl-L-glutaminyl-L-prolyl-L-arginine
  • L-Arginine, N2-(1-(N2-glycyl-L-glutaminyl)-L-prolyl)-
  • (2S)-2-{[(2S)-1-[(2S)-2-(2-aminoacetamido)-4-carbamoylbutanoyl]pyrrolidin-2-yl]formamido}-5-carbamimidamidopentanoic acid
  • (2S)-2-(((2S)-1-((2S)-2-(2-aminoacetamido)-4-carbamoylbutanoyl)pyrrolidin-2-yl)formamido)-5-carbamimidamidopentanoic acid
  • L-Arginine,glycyl-L-glutaminyl-L-prolyl-
  • (2S)-2-[[(2S)-1-[(2S)-5-amino-2-[(2-aminoacetyl)amino]-5-oxopentanoyl]pyrrolidine-2-carbonyl]amino]-5-(diaminomethylideneamino)pentanoic acid
  • L-Arginine, glycyl-L-glutaminyl-L-prolyl-
  • Glycyl-L-glutaminyl-L-prolyl-N~5~-(diaminomethylidene)-L-ornithine
  • (2S)-2-[[(2S)-1-[(2S)-5-amino-2-[(2-aminoacetyl)amino]-5-oxo-pentanoyl]pyrrolidine-2-carbonyl]amino]-5-guanidino-pentanoic acid

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
456.50 g/molcalc.
Exact mass
456.2445 Dacalc.
LogP (octanol/water)
-3.69calc.
Topological polar surface area
249.3 Ųcalc.
Hydrogen bond donors
7calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
13calc.
Heavy atoms
32calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.67calc.
Formal charge
0calc.
Stereocentres
3calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, C1CCNC1

C1CCNC1

1 ring, 5 atoms, the Pyrrolidine ring system.

22,348 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Rigin suppliers

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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

1 supplier in 1 country

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Rigin price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Functional uses

  • Softener and conditioner

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Rigin is traded under.

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Rigin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Rigin, based on the data on this page

What is Rigin?

Rigin is an oligopeptide.

What is the CAS number of Rigin?

The CAS registry number of Rigin is 77727-17-4.

What is the molecular formula and weight of Rigin?

The molecular formula of Rigin is C18H32N8O6 and its molar mass is 456.50 g/mol.

What is Rigin used for?

Known uses and roles of Rigin include softener and conditioner.

Is Rigin hazardous?

No GHS hazard classification for Rigin is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Rigin?

Rigin is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Rigin?

CompoundList lists 1 supplier of Rigin in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Rigin?

Suppliers quote Rigin on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Rigin

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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