6742-12-7

6742-12-7 structure
6742-12-7 structure
  • Name: formycin A
  • Chemical Name: formycin A
  • CAS Number: 6742-12-7
  • Molecular Formula: C10H13N5O4
  • Molecular Weight: 285.25700
  • Catalog: Signaling Pathways Anti-infection HIV
  • Create Date: 2018-04-05 08:00:00
  • Modify Date: 2024-01-02 18:12:59
  • Formycin A (NSC 102811), a purine nucleoside antibiotic, is a potent human immunodeficiency virus type 1 (HIV-1) inhibitor with an EC50 of 10 μM. Formycin A shows antitumor and antiviral activities[1][2].

Name formycin A
Synonyms formycin
FORMYCIN A MONOHYDRATE
FORMYCIN MONOHYDRATE
7-AMINO-3-β-D-RIBOFURANOSYL-1H-PYRAZOLO[4,3-D]PYRIMIDINE MONOHYDRATE
8-AZA-9-DEAZAADENOSINE MONOHYDRATE
Description Formycin A (NSC 102811), a purine nucleoside antibiotic, is a potent human immunodeficiency virus type 1 (HIV-1) inhibitor with an EC50 of 10 μM. Formycin A shows antitumor and antiviral activities[1][2].
Related Catalog
Target

HIV-1:10 μM (EC50)

In Vitro Formycin A (NSC 102811; 1 μM, 5 μM, 10 μM) antagonizes Zidovudine (AZT; a dideoxynucleoside chain terminator).
References

[1]. Dapp MJ , et al. Discovery of novel ribonucleoside analogs with activity against human immunodeficiency virus type 1.J Virol. 2014 Jan;88(1):354-63.

[2]. Zhang M, et al. Comparative Investigation into Formycin A and Pyrazofurin A Biosynthesis Reveals Branch Pathways for the Construction of C-Nucleoside Scaffolds. Appl Environ Microbiol. 2020 Jan 7;86(2).

Density 1.771g/cm3
Boiling Point 709.5ºC at 760 mmHg
Melting Point 153-155ºC
Molecular Formula C10H13N5O4
Molecular Weight 285.25700
Flash Point 382.9ºC
Exact Mass 285.10700
PSA 159.63000
Index of Refraction 1.803
Storage condition -20°C

SECTION 1: Identification of the substance/mixture and of the company/undertaking
Product identifiers
Product name: Formycin A
REACH No.: A registration number is not available for this substance as the substance
or its uses are exempted from registration, the annual tonnage does not
require a registration or the registration is envisaged for a later
registration deadline.
CAS-No.: 6742-12-7
Relevant identified uses of the substance or mixture and uses advised against
Identified uses: Laboratory chemicals, Manufacture of substances



SECTION 2: Hazards identification
Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008
Acute toxicity, Oral (Category 4), H302
For the full text of the H-Statements mentioned in this Section, see Section 16.
Classification according to EU Directives 67/548/EEC or 1999/45/EC
Xn HarmfulR22
For the full text of the R-phrases mentioned in this Section, see Section 16.
Label elements
Labelling according Regulation (EC) No 1272/2008
Pictogram
Signal wordWarning
Hazard statement(s)
H302Harmful if swallowed.
Precautionary statement(s)none
Supplemental Hazardnone
Statements
Other hazards - none

SECTION 3: Composition/information on ingredients
Substances
Synonyms: 8-Aza-9-deazaadenosine
Formycin
NSC 102811
D-Ribitol, 1-C-(7-amino-1H-pyrazolo[4,3-d]pyrimidin-3-yl)-1,4-anhydro-,
(1S)-
Formula: C10H13N5O4
Molecular Weight: 267,28 g/mol
CAS-No.: 6742-12-7
Hazardous ingredients according to Regulation (EC) No 1272/2008
ComponentClassificationConcentration
Formycin A
CAS-No.6742-12-7Acute Tox. 4; H302<= 100 %
Hazardous ingredients according to Directive 1999/45/EC
ComponentClassificationConcentration
Formycin A
CAS-No.6742-12-7Xn, R22<= 100 %
For the full text of the H-Statements and R-Phrases mentioned in this Section, see Section 16

SECTION 4: First aid measures
Description of first aid measures
General advice
Consult a physician. Show this safety data sheet to the doctor in attendance.
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
In case of skin contact
Wash off with soap and plenty of water. Consult a physician.
In case of eye contact
Flush eyes with water as a precaution.
If swallowed
Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
Most important symptoms and effects, both acute and delayed
The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in
section 11
Indication of any immediate medical attention and special treatment needed
no data available

SECTION 5: Firefighting measures
Extinguishing media
Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special hazards arising from the substance or mixture
Carbon oxides, nitrogen oxides (NOx)
Advice for firefighters
Wear self contained breathing apparatus for fire fighting if necessary.
Further information
no data available

SECTION 6: Accidental release measures
Personal precautions, protective equipment and emergency procedures
Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure
adequate ventilation. Avoid breathing dust.
For personal protection see section 8.
Environmental precautions
Do not let product enter drains.
Methods and materials for containment and cleaning up
Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed
containers for disposal.
Reference to other sections
For disposal see section 13.

SECTION 7: Handling and storage
Precautions for safe handling
Avoid contact with skin and eyes. Avoid formation of dust and aerosols.
Provide appropriate exhaust ventilation at places where dust is formed.
For precautions see section 2.2.
Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
Recommended storage temperature: -20 °C
Specific end use(s)
Apart from the uses mentioned in section 1.2 no other specific uses are stipulated

SECTION 8: Exposure controls/personal protection
Control parameters
Components with workplace control parameters
Exposure controls
Appropriate engineering controls
Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and
at the end of workday.
Personal protective equipment
Eye/face protection
Safety glasses with side-shields conforming to EN166 Use equipment for eye protection tested
and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
Skin protection
Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
(without touching glove's outer surface) to avoid skin contact with this product. Dispose of
contaminated gloves after use in accordance with applicable laws and good laboratory practices.
Wash and dry hands.
The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and
the standard EN 374 derived from it.
Body Protection
Complete suit protecting against chemicals, The type of protective equipment must be selected
according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection
For nuisance exposures use type P95 (US) or type P1 (EU EN 143) particle respirator.For higher
level protection use type OV/AG/P99 (US) or type ABEK-P2 (EU EN 143) respirator cartridges.
Use respirators and components tested and approved under appropriate government standards
such as NIOSH (US) or CEN (EU).
Control of environmental exposure
Do not let product enter drains.

SECTION 9: Physical and chemical properties
Information on basic physical and chemical properties
a) AppearanceForm: solid
b) Odourno data available
c) Odour Thresholdno data available
d) pHno data available
e) Melting point/freezingno data available
point
f) Initial boiling point and no data available
boiling range
g) Flash pointnot applicable
h) Evapouration rateno data available
i) Flammability (solid, gas) no data available
j) Upper/lowerno data available
flammability or
explosive limits
k) Vapour pressureno data available
l) Vapour densityno data available
m) Relative densityno data available
n) Water solubilityno data available
o) Partition coefficient: n- no data available
octanol/water
p) Auto-ignitionno data available
temperature
q) Decompositionno data available
temperature
r) Viscosityno data available
s) Explosive propertiesno data available
t) Oxidizing propertiesno data available
Other safety information
no data available

SECTION 10: Stability and reactivity
Reactivity
no data available
Chemical stability
Stable under recommended storage conditions.
Possibility of hazardous reactions
no data available
Conditions to avoid
no data available
Incompatible materials
Strong oxidizing agents
Hazardous decomposition products
In the event of fire: see section 5

SECTION 11: Toxicological information
Information on toxicological effects
Acute toxicity
LD50 Oral - mouse - 1.000 mg/kg
LD50 Intraperitoneal - mouse - 400 mg/kg
Remarks: Blood: Hemorrhage. Blood:Changes in spleen. Blood:Other changes.
LD50 Intravenous - mouse - 250 mg/kg
LD50 Subcutaneous - mouse - 125 mg/kg
Skin corrosion/irritation
no data available
Serious eye damage/eye irritation
no data available
Respiratory or skin sensitisation
no data available
Germ cell mutagenicity
no data available
Carcinogenicity
IARC:No component of this product present at levels greater than or equal to 0.1% is identified as
probable, possible or confirmed human carcinogen by IARC.
Reproductive toxicity
no data available
Specific target organ toxicity - single exposure
no data available
Specific target organ toxicity - repeated exposure
no data available
Aspiration hazard
no data available
Additional Information
RTECS: UR0719000
To the best of our knowledge, the chemical, physical, and toxicological properties have not been
thoroughly investigated.

SECTION 12: Ecological information
Toxicity
no data available
Persistence and degradability
no data available
Bioaccumulative potential
no data available
Mobility in soil
no data available
Results of PBT and vPvB assessment
PBT/vPvB assessment not available as chemical safety assessment not required/not conducted
Other adverse effects
no data available

SECTION 13: Disposal considerations
Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company. Dissolve or mix the material
with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber.
Contaminated packaging
Dispose of as unused product.

SECTION 14: Transport information
UN number
ADR/RID: -IMDG: -IATA: -
UN proper shipping name
ADR/RID: Not dangerous goods
IMDG: Not dangerous goods
IATA:Not dangerous goods
Transport hazard class(es)
ADR/RID: -IMDG: -IATA: -
Packaging group
ADR/RID: -IMDG: -IATA: -
Environmental hazards
ADR/RID: noIMDG Marine pollutant: noIATA: no
Special precautions for user
no data available



SECTION 15 - REGULATORY INFORMATION
N/A


SECTION 16 - ADDITIONAL INFORMATION
N/A

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UR0719000
CHEMICAL NAME :
1H-Pyrazolo(4,3-d)pyrimidine, 7-amino-3-beta-D-ribofuranosyl-
CAS REGISTRY NUMBER :
6742-12-7
LAST UPDATED :
199612
DATA ITEMS CITED :
10
MOLECULAR FORMULA :
C10-H13-N5-O4
MOLECULAR WEIGHT :
267.28
WISWESSER LINE NOTATION :
T56 BMN FN HNJ IZ D- BT5OTJ CQ DQ E1Q

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
400 mg/kg
TOXIC EFFECTS :
Blood - hemorrhage Blood - changes in spleen Blood - other changes
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
125 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
250 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
20 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
165 mg/kg/5D-I
TOXIC EFFECTS :
Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases Related to Chronic Data - death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Parenteral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
200 mg/kg/8D-I
TOXIC EFFECTS :
Related to Chronic Data - death

MUTATION DATA

TYPE OF TEST :
Mutation test systems - not otherwise specified
TEST SYSTEM :
Rodent - mouse Leukocyte
DOSE/DURATION :
25700 ug/L
REFERENCE :
JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 30,481,1987
Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302
Hazard Codes Xn
Risk Phrases 22
Safety Phrases 22-24/25
RIDADR NONH for all modes of transport
RTECS UR0719000