MOPS, CAS# 1132-61-2, Zwitterionic Buffer

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MOPS, Free Acid

Molecular Fomula: C₇H₁₅NO₄S
F.W.: 209.26
CAS#: 1132-61-2
pH: 3.0 - 4.5


Bio Industrial	Bio Synthesized	Bio Ultra

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Description:
MOPS is a zwitterionic buffer used as a running buffer for denaturing gel electrophoresis. It is a buffering agent used in many biological and biochemical applications. MOPS interferes with the Folin protein assay, and partially decomposes when autoclaved in the presence of glucose.

Price Comparison Specifications Product Links

x 100g size

	BioBuffer Solutions	Sigma	Amresco	Research Organics	Calbiochem
Grade	Bio Ultra	BioUltra	Ultra Pure	Molecular Biology	OmniPur®**
Product Code	MOP-13	69947	0670	9615M	6310-OP
Assay	99.9% min.	≥99.5%	99.0%	≥99.5%	99.0%
Price	$29.50	$220.50	$42.70	$65.25	$75.00

Grade	Bio Synthesized	BioXtra		Research Organics	ULTROL®*
Product Code	MOP-12	M5162		0195M	475898
Assay	99.5% min	≥99.5%		≥99.5%	≥99%
Price	$26.00	$177.00		$58.60	$69.00

Grade	Bio Industrial				Molecular Biology
Product Code	MOP-11				475922
Assay	99.0% min.				≥99%
Price	$22.50				$69.00

*ULTROL® is a registered trademark of Calbiochem and EMD Chemicals Inc.
*OmniPur® is a registered trademark of Calbiochem and EMD Chemicals Inc.

x 250g size

	BioBuffer Solutions	Sigma	Amresco	Research Organics	Calbiochem
Grade	Bio Ultra		Ultra Pure	Molecular Biology
Product Code	MOP-13		0670	9615M
Assay	99.9% min.		99.0%	≥99.5%
Price	$59.00		$90.00	$132.90

Grade	Bio Synthesized			Research Organics
Product Code	MOP-12			0195M
Assay	99.5% min.			≥99.5%
Price	$52.00			$121.40

Grade	Bio Industrial
Product Code	MOP-11
Assay	99.0% min.
Price	$45.00

x 500g size

	BioBuffer Solutions	Sigma	Amresco	Research Organics	Calbiochem
Grade	Bio Ultra	BioUltra	Ultra Pure		ULTROL®*
Product Code	MOP-13	69947	0670		475898
Assay	99.9% min.	≥99.5%	99.0%		≥99%
Price	$88.50	$486.00	$160.00		$239.00

Grade	Bio Synthesized
Product Code	MOP-12
Assay	99.5% min.
Price	$78.00

Grade	Bio Industrial
Product Code	MOP-11
Assay	99.0% min.
Price	$67.50

*ULTROL® is a registered trademark of Calbiochem and EMD Chemicals Inc.

MOPS Free Acid

(3-(N-Morpholino)propanesulfonic acid)

C7H15NO4S ^ F.W. 209.26 g/mol ^ CAS# 1132-61-2

Test	Specifications

	Bio Ultra	Bio Synthesized	Bio Industrial
	MOP-13	MOP-12	MOP-11

Manufactured in the USA	Pass
Appearance and Color	White/Crystals	White/Crystals	White/Crystals
Assay, dried basis	99.9% min.	99.5% min.	99.0% min.
Chloride	0.005% max.
Sulfate	0.005% max.
Identification (IR)	Match Reference
Solubility (5%)	Clear/Colorless	Clear/Colorless	Clear/Colorless
	0.02 max. @ 280
Absorbance	0.02 max. @ 260	0.02 max. @ 260	0.05 max. @ 260
	0.02 max. @ 250
Loss on Drying	1.0% max.	1% max.	1% max.
Sodium (Na)	0.005% max.
Potassium (K)	0.005% max.
Arsenic (As)	0.0001% max.	0.0001% max.
Calcium (Ca)	0.0001% max.
Copper (Cu)	0.0001% max.	0.0001% max.
Iron (Fe)	0.0001% max.	0.0005% max.
Magnesium (Mg)	0.0001% max.
Lead (Pb)	0.0001% max.	0.0005% max.
Karl Fisher Water	0.1% max.	0.1% max.
Residue on Ignition	0.1% max.
pH (1%)	3.0-4.5	2.5-4.5	2.5-4.5
pK_a	7.10-7.30	7.10-7.30	7.10-7.30
RNase	None Detected	None Detected
DNase	None Detected	None Detected
Protease	None Detected	None Detected

“Iron Oxidation in Mops Buffer. Effect of Phosphorus Containing Compounds”

10X MOPS Buffer Recipe Preparation

Merck Index., 1996., 12:, 6346.

Product	Molecular	CAS #	Details
Guanidine Hydrochloride	NH₂C(NH)NH₂ HCl	50-01-1
MOPS, Free Acid	C₇H₁₅NO₄S	1132-61-2
PIPES 1.5Na	C₈H₁₇N₂Na_1.5O₆S₂	100037-69-2

Bio Industrial (Good)
Quality tested from approved suppliers of BBS for Industry-Standard use.

Bio Synthesized (Better)
Manufactured in a quality system based facility offering traceability and consistent supply.

Bio Ultra (Best)
Manufactured at BBS to meet the highest quality and regulatory standards.

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