Product Name

  • Name

    Sodium gualenate

  • EINECS 228-309-8
  • CAS No. 6223-35-4
  • Article Data5
  • CAS DataBase
  • Density
  • Solubility
  • Melting Point 98°C(lit.)
  • Formula C15H17NaO3S
  • Boiling Point
  • Molecular Weight 300.354
  • Flash Point
  • Transport Information
  • Appearance
  • Safety
  • Risk Codes
  • Molecular Structure Molecular Structure of 6223-35-4 (Sodium gualenate)
  • Hazard Symbols
  • Synonyms 1-Azulenesulfonicacid, 3,8-dimethyl-5-(1-methylethyl)-, sodium salt (9CI);1-Azulenesulfonicacid, 5-isopropyl-3,8-dimethyl-, sodium salt (7CI,8CI);Azulen SN;Azulene SN;Azunol ST;Azupromin;Guaiazulene 3-sulfonate sodium salt;Guaiazulene soluble;Sodium 1,4-dimethyl-7-isopropylazulene-3-sulfonate;Sodium3-methyl-5-isopropyl-8-methylazulenesulfonate;Sodium5-isopropyl-3,8-dimethyl-1-azulenesulfonate;Sodium7-isopropyl-1,4-dimethylazulene-3-sulfonate;Sodium guaiazulene-3-sulfonate;Sodium guaiazulenesulfonate;
  • PSA 65.58000
  • LogP 4.51650

Synthetic route

7-isopropyl-1,4-dimethyl-azulene
489-84-9

7-isopropyl-1,4-dimethyl-azulene

Azulon
6223-35-4

Azulon

Conditions
ConditionsYield
With sulfuric acid; acetic anhydride at 20℃; for 2h; Cooling with ice;87.5%
Stage #1: 7-isopropyl-1,4-dimethyl-azulene With sulfuric acid; acetic anhydride at 20℃; for 4h;
Stage #2: With sodium hydroxide In water
57%
Multi-step reaction with 2 steps
1: sulfuric acid; acetic anhydride / 3 h / 20 °C
2: sodium hydroxide
View Scheme
Stage #1: 7-isopropyl-1,4-dimethyl-azulene With sulfuric acid; acetic anhydride at 20℃; for 3h;
Stage #2: With sodium hydroxide
5-isopropyl-3,8-dimethyl-azulene-1-sulfonic acid
16915-32-5

5-isopropyl-3,8-dimethyl-azulene-1-sulfonic acid

Azulon
6223-35-4

Azulon

Conditions
ConditionsYield
With sodium hydroxide
piperazine
110-85-0

piperazine

Azulon
6223-35-4

Azulon

1-((5-isopropyl-3,8-dimethylazulen-1-yl)sulfonyl)piperazine

1-((5-isopropyl-3,8-dimethylazulen-1-yl)sulfonyl)piperazine

Conditions
ConditionsYield
Stage #1: Azulon With pyridine; oxalyl dichloride In dichloromethane
Stage #2: piperazine With pyridine; triethylamine
43%
Azulon
6223-35-4

Azulon

N-ethyl-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide
1338350-96-1

N-ethyl-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine; oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0.17 h / Cooling with ice
2: pyridine; triethylamine / dichloromethane / 1 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: N,N-dimethyl-formamide; pyridine; oxalyl dichloride / dichloromethane / Cooling with ice
2: triethylamine; pyridine / dichloromethane / 1 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

N-cyclohexyl-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide
1338350-97-2

N-cyclohexyl-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine; oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0.17 h / Cooling with ice
2: pyridine; triethylamine / dichloromethane / 1 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: N,N-dimethyl-formamide; pyridine; oxalyl dichloride / dichloromethane / Cooling with ice
2: triethylamine; pyridine / dichloromethane / 1 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

N-benzyl-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide
1338350-98-3

N-benzyl-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine; oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0.17 h / Cooling with ice
2: pyridine; triethylamine / dichloromethane / 1 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: N,N-dimethyl-formamide; pyridine; oxalyl dichloride / dichloromethane / Cooling with ice
2: triethylamine; pyridine / dichloromethane / 1 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

N-(4-chlorophenyl)-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide
1338350-99-4

N-(4-chlorophenyl)-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine; oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0.17 h / Cooling with ice
2: pyridine; triethylamine / dichloromethane / 1 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: N,N-dimethyl-formamide; pyridine; oxalyl dichloride / dichloromethane / Cooling with ice
2: triethylamine; pyridine / dichloromethane / 1 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

N-(4-aminophenyl)-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide
1338351-00-0

N-(4-aminophenyl)-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine; oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0.17 h / Cooling with ice
2: pyridine; triethylamine / dichloromethane / 1 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: N,N-dimethyl-formamide; pyridine; oxalyl dichloride / dichloromethane / Cooling with ice
2: triethylamine; pyridine / dichloromethane / 1 h / 20 °C
View Scheme
Multi-step reaction with 3 steps
1: thionyl chloride / dichloromethane / 4 h / 0 °C
2: dichloromethane / 12 h
3: trifluoroacetic acid / dichloromethane / 3 h
View Scheme
Azulon
6223-35-4

Azulon

N-[4-(benzylideneamino)phenyl]-5-isopropyl-3,8-dimethylazulene-1-sulfonamide
1338351-02-2

N-[4-(benzylideneamino)phenyl]-5-isopropyl-3,8-dimethylazulene-1-sulfonamide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: pyridine; oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0.17 h / Cooling with ice
2: pyridine; triethylamine / dichloromethane / 1 h / 20 °C
3: ethanol / 1 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

N-[4-(2-hydroxybenzylideneamino)phenyl]-5-isopropyl-3,8-dimethylazulene-1-sulfonamide
1338351-03-3

N-[4-(2-hydroxybenzylideneamino)phenyl]-5-isopropyl-3,8-dimethylazulene-1-sulfonamide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: pyridine; oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0.17 h / Cooling with ice
2: pyridine; triethylamine / dichloromethane / 1 h / 20 °C
3: ethanol / 1 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

N-[4-(2-thienylmethyleneamino)phenyl]-5-isopropyl-3,8-dimethylazulene-1-sulfonamide
1338351-04-4

N-[4-(2-thienylmethyleneamino)phenyl]-5-isopropyl-3,8-dimethylazulene-1-sulfonamide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: pyridine; oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0.17 h / Cooling with ice
2: pyridine; triethylamine / dichloromethane / 1 h / 20 °C
3: ethanol / 1 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

N-amino-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide
1338351-09-9

N-amino-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine; oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0.17 h / Cooling with ice
2: pyridine; triethylamine; hydrazine
View Scheme
Multi-step reaction with 2 steps
1: N,N-dimethyl-formamide; pyridine; oxalyl dichloride / dichloromethane / Cooling with ice
2: triethylamine; hydrazine hydrate; pyridine / dichloromethane / 1 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

N'-(4-methoxybenzylidene)-5-isopropyl-3,8-dimethylazulene-1-sulfonohydrazide
1338351-05-5

N'-(4-methoxybenzylidene)-5-isopropyl-3,8-dimethylazulene-1-sulfonohydrazide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: pyridine; oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0.17 h / Cooling with ice
2: pyridine; triethylamine; hydrazine
3: ethanol / 1 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

N'-(4-trifluoromethylbenzylidene)-5-isopropyl-3,8-dimethylazulene-1-sulfonohydrazide
1338351-06-6

N'-(4-trifluoromethylbenzylidene)-5-isopropyl-3,8-dimethylazulene-1-sulfonohydrazide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: pyridine; oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0.17 h / Cooling with ice
2: pyridine; triethylamine; hydrazine
3: ethanol / 1 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

N'-(2-hydroxybenzylidene)-5-isopropyl-3,8-dimethylazulene-1-sulfonohydrazide
1338351-07-7

N'-(2-hydroxybenzylidene)-5-isopropyl-3,8-dimethylazulene-1-sulfonohydrazide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: pyridine; oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0.17 h / Cooling with ice
2: pyridine; triethylamine; hydrazine
3: ethanol / 1 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

N'-(2-thienylmethylene)-5-isopropyl-3,8-dimethylazulene-1-sulfonohydrazide
1338351-08-8

N'-(2-thienylmethylene)-5-isopropyl-3,8-dimethylazulene-1-sulfonohydrazide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: pyridine; oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0.17 h / Cooling with ice
2: pyridine; triethylamine; hydrazine
3: ethanol / 1 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

N-(3-bromophenyl)-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide
1338350-89-2

N-(3-bromophenyl)-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine; oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0.17 h / Cooling with ice
2: pyridine; triethylamine / dichloromethane / 1 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: N,N-dimethyl-formamide; pyridine; oxalyl dichloride / dichloromethane / Cooling with ice
2: triethylamine; pyridine / dichloromethane / 1 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

N-(2,4-dimethoxyphenyl)-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide
1338350-90-5

N-(2,4-dimethoxyphenyl)-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine; oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0.17 h / Cooling with ice
2: pyridine; triethylamine / dichloromethane / 1 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: N,N-dimethyl-formamide; pyridine; oxalyl dichloride / dichloromethane / Cooling with ice
2: triethylamine; pyridine / dichloromethane / 1 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

N,5-diisopropyl-3,8-dimethyl-1-azulene sulfonamide
1338350-91-6

N,5-diisopropyl-3,8-dimethyl-1-azulene sulfonamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine; oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0.17 h / Cooling with ice
2: pyridine; triethylamine / dichloromethane / 1 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: oxalyl dichloride / N,N-dimethyl-formamide; dichloromethane / 0.17 h / 0 °C
2: sodium carbonate decahydrate / 2.5 h / 5 °C
View Scheme
Multi-step reaction with 2 steps
1: N,N-dimethyl-formamide; pyridine; oxalyl dichloride / dichloromethane / Cooling with ice
2: triethylamine; pyridine / dichloromethane / 1 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

N-(naphthalen-1-yl)-5-isopropyl-3,8-dimethylazulene-1-sulfonamide
1338350-92-7

N-(naphthalen-1-yl)-5-isopropyl-3,8-dimethylazulene-1-sulfonamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine; oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0.17 h / Cooling with ice
2: pyridine; triethylamine / dichloromethane / 1 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: N,N-dimethyl-formamide; pyridine; oxalyl dichloride / dichloromethane / Cooling with ice
2: triethylamine; pyridine / dichloromethane / 1 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

N-isobutyl-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide
1338350-93-8

N-isobutyl-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine; oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0.17 h / Cooling with ice
2: pyridine; triethylamine / dichloromethane / 1 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: N,N-dimethyl-formamide; pyridine; oxalyl dichloride / dichloromethane / Cooling with ice
2: triethylamine; pyridine / dichloromethane / 1 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

N-propyl-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide
1338350-94-9

N-propyl-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine; oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0.17 h / Cooling with ice
2: pyridine; triethylamine / dichloromethane / 1 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: oxalyl dichloride / N,N-dimethyl-formamide; dichloromethane / 0.17 h / 0 °C
2: sodium carbonate decahydrate / 1.5 h / 5 °C
View Scheme
Multi-step reaction with 2 steps
1: N,N-dimethyl-formamide; pyridine; oxalyl dichloride / dichloromethane / Cooling with ice
2: triethylamine; pyridine / dichloromethane / 1 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

N-(4-methylphenyl)-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide
1338350-95-0

N-(4-methylphenyl)-3,8-dimethyl-5-isopropyl-1-azulene sulfonamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine; oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 0.17 h / Cooling with ice
2: pyridine; triethylamine / dichloromethane / 1 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: N,N-dimethyl-formamide; pyridine; oxalyl dichloride / dichloromethane / Cooling with ice
2: triethylamine; pyridine / dichloromethane / 1 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

5-isopropyl-3,8-dimethyl-azulene-1-sulfonyl chloride
69174-69-2

5-isopropyl-3,8-dimethyl-azulene-1-sulfonyl chloride

Conditions
ConditionsYield
With pyridine; oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane for 0.166667h; Cooling with ice;
With oxalyl dichloride In dichloromethane; N,N-dimethyl-formamide at 0℃; for 0.166667h;
With pyridine; oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane Cooling with ice;
With thionyl chloride In dichloromethane at 0℃; for 4h;
Azulon
6223-35-4

Azulon

C22H24O3S
1436872-40-0

C22H24O3S

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: oxalyl dichloride / N,N-dimethyl-formamide; dichloromethane / 0.17 h / 0 °C
2: pyridine / N,N-dimethyl-formamide; dimethyl sulfoxide / 2.5 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

C16H18O4S
1436872-41-1

C16H18O4S

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: oxalyl dichloride / N,N-dimethyl-formamide; dichloromethane / 0.17 h / 0 °C
2: pyridine / N,N-dimethyl-formamide; dimethyl sulfoxide / 1 h / 20 °C
3: 2,3-dicyano-5,6-dichloro-p-benzoquinone / acetone; water / 1 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

C17H20O4S
1436872-42-2

C17H20O4S

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: oxalyl dichloride / N,N-dimethyl-formamide; dichloromethane / 0.17 h / 0 °C
2: pyridine / N,N-dimethyl-formamide; dimethyl sulfoxide / 2 h / 20 °C
3: 2,3-dicyano-5,6-dichloro-p-benzoquinone / acetone; water / 2 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

C18H22O4S
1436872-43-3

C18H22O4S

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: oxalyl dichloride / N,N-dimethyl-formamide; dichloromethane / 0.17 h / 0 °C
2: pyridine / N,N-dimethyl-formamide; dimethyl sulfoxide / 2.5 h / 20 °C
3: 2,3-dicyano-5,6-dichloro-p-benzoquinone / acetone; water / 2.5 h / 20 °C
View Scheme
Azulon
6223-35-4

Azulon

C23H28O5S
1436872-44-4

C23H28O5S

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: oxalyl dichloride / N,N-dimethyl-formamide; dichloromethane / 0.17 h / 0 °C
2: pyridine / N,N-dimethyl-formamide; dimethyl sulfoxide / 2.5 h / 20 °C
3: 2,3-dicyano-5,6-dichloro-p-benzoquinone / acetone; water / 2.5 h / 20 °C
4: ytterbium(III) triflate; acetic anhydride / nitromethane / 18 h / 20 °C
View Scheme

Sodium gualenate Chemical Properties

Molecular Structure:

Molecular Formula: C15H17NaO3S
Molecular Weight: 300.3484
IUPAC Name: Sodium 3,8-dimethyl-5-propan-2-ylazulene-1-sulfonate
Synonyms of Sodium gualenate (CAS NO.6223-35-4): 3,8-Dimethyl-5-(1-methylethyl)-1-azulenesulfonic acid sodium salt ; Azulen SN ; Azulon ; Azupromin ; CCRIS 3781 ; EINECS 228-309-8 ; Guajazulen-3-sulfonsaeure, natriumsalz ; Gualenate de sodium ; Gualenate de sodium [INN-French] ; Gualenato sodico ; Gualenato sodico [INN-Spanish] ; Gualenato sodidico ; Natrii gualenas ; Natrii gualenas [INN-Latin] ; Natrium 7-isopropyl-1,4-dimethyl-3-azulensulfonat ; Sodium 5-isopropyl-3,8-dimethyl-1-azulene sulfonate ; Sodium 7-isopropyl-1,4-dimethylazulene-3-sulfonate ; Sodium guaiazulene-3-sulfonate ; UNII-19WSH095WP ; 1-Azulenesulfonic acid, 3,8-dimethyl-5-(1-methylethyl)-, sodium salt (9CI) ; 1-Azulenesulfonic acid, 5-isopropyl-3,8-dimethyl-, sodium salt ; Azuletil sodium
CAS NO: 6223-35-4
Product Categories: Drug / Therapeutic Agent

Sodium gualenate Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 105mg/kg (105mg/kg) BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX)

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: ATAXIA
Shinryo to Shinyaku. Medical Consultation and New Remedies. Vol. 11, Pg. 2533, 1974.
mouse LD50 oral 1540mg/kg (1540mg/kg)   Arzneimittel-Forschung. Drug Research. Vol. 19, Pg. 615, 1969.
mouse LD50 subcutaneous 145mg/kg (145mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Shinryo to Shinyaku. Medical Consultation and New Remedies. Vol. 11, Pg. 2533, 1974.
rat LD50 intraperitoneal 180mg/kg (180mg/kg) BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX)

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: ATAXIA
Shinryo to Shinyaku. Medical Consultation and New Remedies. Vol. 11, Pg. 2533, 1974.
rat LD50 oral 6380mg/kg (6380mg/kg)   Arzneimittel-Forschung. Drug Research. Vol. 19, Pg. 615, 1969.
rat LD50 subcutaneous 520mg/kg (520mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Shinryo to Shinyaku. Medical Consultation and New Remedies. Vol. 11, Pg. 2533, 1974.

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