Skip to Content

System maintenance is scheduled for Sunday, October 11, 8:00 AM to 12:00 PM CST (Sunday, 11th October 2026, 03:00 PM to 07:00 PM CET). Quotes, price checks, and order status inquiries may be temporarily unavailable.

Merck

Key Documents

View All Documentation

Skip To

B7138

Bispyrazolone

≥98%, crystalline

Synonym(s):

3,3′-Dimethyl-1,1′-diphenyl-(4,4′-bi-2-pyrazoline)-5,5′-dione

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View
Size/SKUAvailabilityPrice

About This Item

Empirical Formula (Hill Notation):
C20H18N4O2
CAS Number:
7477-67-0
Molecular Weight:
346.38
EC Number:
231-282-5
UNSPSC Code:
12352200
MDL number:
MFCD00020765
Beilstein/REAXYS Number:
572787
Pricing and availability is not currently available.
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

assay

≥98%

form

crystalline

color

tan

suitability

suitable for determination of cyanide

SMILES string

CC1=NN(c2ccccc2)C(=O)C1C3C(C)=NN(c4ccccc4)C3=O

InChI

1S/C20H18N4O2/c1-13-17(19(25)23(21-13)15-9-5-3-6-10-15)18-14(2)22-24(20(18)26)16-11-7-4-8-12-16/h3-12,17-18H,1-2H3

InChI key

FORCWSNQDMPPOC-UHFFFAOYSA-N

Still not finding the right product?

Explore all of our products under Bispyrazolone

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
018F0136
090K1191
075K1212
055H1155
034K1136

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library