Acetylspiramycin

Modify Date: 2025-08-20 09:48:02

Acetylspiramycin Structure
Acetylspiramycin structure
Common Name Acetylspiramycin
CAS Number 24916-51-6 Molecular Weight 885.089
Density 1.2±0.1 g/cm3 Boiling Point 916.7±65.0 °C at 760 mmHg
Molecular Formula C45H76N2O15 Melting Point 130-133ºC
MSDS N/A Flash Point 508.2±34.3 °C

 Use of Acetylspiramycin


Acetylspiramycin is a macrolide antibiotic.

 Names

Name spiramycin II
Synonym More Synonyms

 Acetylspiramycin Biological Activity

Description Acetylspiramycin is a macrolide antibiotic.
Related Catalog
Target

Bacterial[1]

References

[1]. Huang MZ, et al. Therapeutic effects of acetylspiramycin and garlicin on cryptosporidiosis among drug users. Int J Parasitol Drugs Drug Resist. 2015 Dec;5(3):185-90.

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 916.7±65.0 °C at 760 mmHg
Melting Point 130-133ºC
Molecular Formula C45H76N2O15
Molecular Weight 885.089
Flash Point 508.2±34.3 °C
Exact Mass 884.524597
PSA 201.45000
LogP 3.60
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.543
Storage condition -20℃

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
WG9413000
CHEMICAL NAME :
Spiramycin B
CAS REGISTRY NUMBER :
24916-51-6
LAST UPDATED :
199503
DATA ITEMS CITED :
9
MOLECULAR FORMULA :
C45-H76-N2-O15
MOLECULAR WEIGHT :
885.23

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 :
>13 gm/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: 6,17,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
YHTPAD Yaoxue Tongbao. Bulletin of Pharmacology. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.13-23, 1978-88. For publisher information, see ZYZAEU. Volume(issue)/page/year: 18,275,1983
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>4 gm/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: 6,17,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
230 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ANTCAO Antibiotics and Chemotherapy (Washington, DC). (Washington, DC) V.1-12, 1951-62. For publisher information, see CLMEA3. Volume(issue)/page/year: 11,652,1961
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1520 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85FZAT "Index of Antibiotics from Actinomycetes," Umezawa, H. et al., eds., Tokyo, Univ. of Tokyo Press, 1967 Volume(issue)/page/year: -,605,1967
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
110 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ANTCAO Antibiotics and Chemotherapy (Washington, DC). (Washington, DC) V.1-12, 1951-62. For publisher information, see CLMEA3. Volume(issue)/page/year: 11,652,1961
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
4 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
YHTPAD Yaoxue Tongbao. Bulletin of Pharmacology. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.13-23, 1978-88. For publisher information, see ZYZAEU. Volume(issue)/page/year: 18,275,1983
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
1300 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
YHTPAD Yaoxue Tongbao. Bulletin of Pharmacology. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.13-23, 1978-88. For publisher information, see ZYZAEU. Volume(issue)/page/year: 18,275,1983
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
198 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
YHTPAD Yaoxue Tongbao. Bulletin of Pharmacology. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.13-23, 1978-88. For publisher information, see ZYZAEU. Volume(issue)/page/year: 18,275,1983

 Synonyms

Acetylspiramycin
(4R,5S,6S,7R,9R,10R,11E,13E,16R)-6-{[(2S,3R,4R,5S,6R)-5-{[(2S,4R,5S,6S)-4,5-Dihydroxy-4,6-dimethyltetrahydro-2H-pyran-2-yl]oxy}-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl]oxy}-10-{[(2R,5S,6S)-5-(dimethylamino)-6-methyltetrahydro-2H-pyran-2-yl]oxy}-5-methoxy-9,16-dimethyl-2-oxo-7-(2-oxoethyl)oxacyclohexadeca-11,13-dien-4-yl acetate
(4R,5S,6S,7R,9R,10R,11E,13E,16R)-6-{[(2S,3R,4R,5S,6R)-5-{[(2S,4R,5S,6S)-4,5-Dihydroxy-4,6-dimethyltetrahydro-2H-pyran-2-yl]oxy}-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl]oxy}-10-{[(2R,5S,6R)-5-(dimethylamino)-6-methyltetrahydro-2H-pyran-2-yl]oxy}-5-methoxy-9,16-dimethyl-2-oxo-7-(2-oxoethyl)oxacyclohexadeca-11,13-dien-4-yl acetate (non-preferred name)
(4R,5S,6S,7R,9R,10R,11E,13E,16R)-6-{[(2S,3R,4R,5S,6R)-5-{[(2S,4R,5S,6S)-4,5-Dihydroxy-4,6-dimethyltetrahydro-2H-pyran-2-yl]oxy}-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl]oxy}-10-{[(2R,5S,6R)-5-(dimethylamino)-6-methyltetrahydro-2H-pyran-2-yl]oxy}-5-methoxy-9,16-dimethyl-2-oxo-7-(2-oxoethyl)oxacyclohexadeca-11,13-dien-4-yl acetate
Acetyl Spiramycin
(4R,5S,6S,7R,9R,10R,11E,13E,16R)-6-{[(2S,3R,4R,5S,6R)-5-{[(2S,4R,5S,6S)-4,5-Dihydroxy-4,6-dimethyltetrahydro-2H-pyran-2-yl]oxy}-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl]oxy}-10-{[(2R,5S,6S)-5-(dimethylamino)-6-methyltetrahydro-2H-pyran-2-yl]oxy}-5-methoxy-9,16-dimethyl-2-oxo-7-(2-oxoethyl)oxacyclohexadeca-11,13-dien-4-yl acetate (non-preferred name)
spiramycin II
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