Skip to Content
Merck
Urea NIST® SRM® 2152, combustion calorimetric standard

Urea

Urea NIST® SRM® 2152, combustion calorimetric standard
Synonym(s):
Carbamide, Carbonyldiamide, Urea solution, Urea
Linear Formula:
NH2CONH2
CAS Number:
57-13-6
Molecular Weight:
60.06

Products

Product Category
Brand
Feature
Formula Weight
Gene Alias
Manufacturer
Melting Point (°C)
pH Value
Physical Form
Product Line
Purity
Agency
Format
Quality Segment
Application
Markush Class
Markush Group
API Family
Special Grade
Technique
Showing 1-20 of 26
Page 1 of 2
Compare
Product Number
Description
Pricing

U5378

Urea, powder, BioReagent, for molecular biology, suitable for cell culture

U4883

Urea, 8 M (after reconstitution with 16 mL high purity water)

U5128

Urea, ACS reagent, 99.0-100.5%

U0631

Urea, BioXtra, pH 7.5-9.5 (20 °C, 5 M in H2O)

1.37030

Urea, crystalline, EMPROVE® EXPERT, Ph. Eur., BP, ChP, JP, USP, ACS

U6504

Urea, suitable for electrophoresis

51456

Urea, BioUltra, for molecular biology, 99% (T)

U1250

Urea, ReagentPlus®, ≥99.5%, pellets

1706698

Urea, United States Pharmacopeia (USP) Reference Standard

1.08486

Urea, crystalline, EMPROVE® ESSENTIAL, Ph. Eur., BP, ChP, JP, USP

PHR1406

Urea, Pharmaceutical Secondary Standard; Certified Reference Material

U4884

Urea, meets USP testing specifications

15604

Urea, puriss., meets analytical specification of Ph. Eur., BP, USP, 99.0-100.5%, 99.0-101.0% (calc. on dry substance)

1.04166

Urea, granulated, EMPROVE® EXPERT, Ph. Eur., BP, ChP, JP, USP, ACS

33247

Urea, puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99%

666122-M

Urea, Molecular Biology Grade, End product of the urea cycle. A topical keratolytic agent.

1.08432

Urea, crystalline, EMPROVE® API, Ph. Eur., BP, USP

56180

Urea, analytical standard

V800441

Urea, AR, ≥99%

NIST2141

Urea, NIST® SRM® 2141
Page 1 of 2