Terguride

Modify Date: 2025-08-22 00:37:10

Terguride structure	Common Name	Terguride
	CAS Number	37686-84-3	Molecular Weight	340.46300
	Density	1.21g/cm3	Boiling Point	588ºC at 760 mmHg
	Molecular Formula	C₂₀H₂₈N₄O	Melting Point	N/A
	MSDS	N/A	Flash Point	309.4ºC

Name	s(+)-n,n-diethyl-n'([8alpha]-6-methylergolin-8-yl)urea
Synonym	More Synonyms

Density	1.21g/cm3
Boiling Point	588ºC at 760 mmHg
Molecular Formula	C₂₀H₂₈N₄O
Molecular Weight	340.46300
Flash Point	309.4ºC
Exact Mass	340.22600
PSA	51.37000
LogP	3.26050
Index of Refraction	1.639
InChIKey	JOAHPSVPXZTVEP-YXJHDRRASA-N
SMILES	CCN(CC)C(=O)NC1CC2c3cccc4[nH]cc(c34)CC2N(C)C1

CHEMICAL IDENTIFICATION

RTECS NUMBER :: YS9378700

CHEMICAL NAME :: Urea, N,N-diethyl-N'-((8-alpha)-6-methylergolin-8-yl)-

CAS REGISTRY NUMBER :: 37686-84-3

LAST UPDATED :: 199806

DATA ITEMS CITED :: 15

MOLECULAR FORMULA :: C20-H28-N4-O

MOLECULAR WEIGHT :: 340.52

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 100 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - lacrimation Behavioral - altered sleep time (including change in righting reflex) Lungs, Thorax, or Respiration - respiratory depression

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,329,1993

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2 gm/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Gastrointestinal - changes in structure or function of salivary glands Kidney, Ureter, Bladder - incontinence

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,329,1993

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >2 gm/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Gastrointestinal - changes in structure or function of salivary glands Kidney, Ureter, Bladder - incontinence

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,329,1993

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 160 mg/kg

TOXIC EFFECTS :: Behavioral - altered sleep time (including change in righting reflex) Gastrointestinal - changes in structure or function of salivary glands Kidney, Ureter, Bladder - incontinence

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,329,1993

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 272 mg/kg

TOXIC EFFECTS :: Gastrointestinal - changes in structure or function of salivary glands Kidney, Ureter, Bladder - hematuria Kidney, Ureter, Bladder - incontinence

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,329,1993

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >2 gm/kg

TOXIC EFFECTS :: Skin and Appendages - dermatitis, other (after systemic exposure)

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,329,1993

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 75 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CCCCAK Collection of Czechoslovak Chemical Communications. (Academic Press Inc. Ltd., 24-28 Oval Rd., London NW1 7DX, UK) V.1- 1929- Volume(issue)/page/year: 52,2983,1987

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Primate - monkey

DOSE/DURATION :: >500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: -,832,1995 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 980 ug/kg/14W-C

TOXIC EFFECTS :: Cardiac - changes in heart weight Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Nutritional and Gross Metabolic - changes in chlorine

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,351,1993 ** REPRODUCTIVE DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 30 ug/kg

SEX/DURATION :: lactating female 3 day(s) post-birth

TOXIC EFFECTS :: Reproductive - Maternal Effects - postpartum

REFERENCE :: GOBIDS Gynecologic and Obstetric Investigation. (S. Karger Pub., Inc., 79 Fifth Ave., New York, NY 10003) V.9- 1978- Volume(issue)/page/year: 26,33,1988

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 100 ug/kg

SEX/DURATION :: female 5 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea)

REFERENCE :: CCCCAK Collection of Czechoslovak Chemical Communications. (Academic Press Inc. Ltd., 24-28 Oval Rd., London NW1 7DX, UK) V.1- 1929- Volume(issue)/page/year: 52,2983,1987

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 21 mg/kg

SEX/DURATION :: lactating female 1-21 day(s) post-birth

TOXIC EFFECTS :: Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive)

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,427,1993

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 700 ug/kg

SEX/DURATION :: female 1-7 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated)

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,385,1993

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 120 ug/kg

SEX/DURATION :: female 6-17 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Newborn - sex ratio

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,391,1993

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 700 ug/kg

SEX/DURATION :: female 15-21 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive) Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)

REFERENCE :: YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,427,1993

Hazard Codes	T
RIDADR	UN 2811 6.1/PG 2

1-((5R,8S,10R)-...

CAS#:96860-91-2

~0%

6-Norterguride

CAS#:83455-46-3

N/A

CAS#:96860-92-3

Terguride

CAS#:37686-84-3

Literature: Cerny; Krepelka; Zikan; et al. Collection of Czechoslovak Chemical Communications, 1984 , vol. 49, # 12 p. 2828 - 2836

S-(-)-LISURIDE

CAS#:18016-80-3

~96%

Terguride

CAS#:37686-84-3

Literature: Sauer; Haffer; Wachtel Synthesis, 1986 , vol. No. 12, p. 1007 - 1010

S-(-)-LISURIDE

CAS#:18016-80-3

1,1-diethyl-3-(...

CAS#:37686-86-5

Terguride

CAS#:37686-84-3

Literature: Husa, Michal; Kratochvil, Bohumil; Sedmera, Petr; Havlicek, Vladimir; Votavova, Hana; Cvak, Ladislav; Bulej, Petr; Jegorov, Alexandr Collection of Czechoslovak Chemical Communications, 1998 , vol. 63, # 3 p. 425 - 433

S-(-)-LISURIDE

CAS#:18016-80-3

~57%

6-methylergoline

CAS#:109922-46-5

1,1-diethyl-3-(...

CAS#:37686-86-5

Terguride

CAS#:37686-84-3

Literature: Sauer; Haffer; Wachtel Synthesis, 1986 , vol. No. 12, p. 1007 - 1010

3-[(6aR,9S)-7-m...

CAS#:106347-60-8

Terguride

CAS#:37686-84-3

Literature: Cerny, Antonin; Benes, Jan; Vachek, Jaroslav; Pesak, Milan; Stuchlik, Josef; et al. Collection of Czechoslovak Chemical Communications, 1987 , vol. 52, # 5 p. 1331 - 1339

Diethylcarbamic...

CAS#:88-10-8

8alpha-Amino-6-...

CAS#:59043-22-0

Terguride

CAS#:37686-84-3

Literature: Cerny, Antonin; Benes, Jan; Vachek, Jaroslav; Pesak, Milan; Stuchlik, Josef; et al. Collection of Czechoslovak Chemical Communications, 1987 , vol. 52, # 5 p. 1331 - 1339

trans-Dihydro Lisuride

EINECS 253-624-2

dironyl

S(+)-TERGURIDE

trans-9,10-Dihydrolisuride hydrogen maleate

terguride

MFCD00242729

TDHL

9,10a-Dihydrolisuride

tergurid

1,1-diethyl-3-(6-methyl-ergolin-8-yl)-urea

Teluron

R-(+)-TERGURIDE

(5R,8S,10R)-Terguride

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Chemical & Physical Properties

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CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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Synthetic Route

Synonyms

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.