草酸 | Sigma-Aldrich

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草酸溶液

Synonym(s): Oxalic acid solution

Linear Formula: HOOCCOOH

CAS No.:: 144-62-7
Molecular Weight:: 90.03

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	68487	0.1 M (COOH)₂ (0.2N), eluent concentrate for IC

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草酸二锂盐

Synonym(s): 乙二酸

Linear Formula: C₂O₄Li₂

CAS No.:: 553-91-3
Molecular Weight:: 101.90
EC No.:: 209-054-1

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	O0130

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草酸铯

Synonym(s): 草酸铯盐

Linear Formula: (COOCs)₂

CAS No.:: 1068-63-9
Molecular Weight:: 353.83
EC No.:: 213-950-8
Beilstein No.:: 3709030

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	401277	≥99.9% trace metals basis

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（-）莽草酸

Synonym(s): （-）莽草酸

Empirical Formula (Hill Notation): C₇H₁₀O₅

CAS No.:: 138-59-0
Molecular Weight:: 174.15

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	8.24476	for synthesis

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草酸钙一水合物

Synonym(s): 草酸钙盐

Linear Formula: (COO)₂Ca · H₂O

CAS No.:: 5794-28-5
Molecular Weight:: 146.11
Beilstein No.:: 3757668

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	C0350000	European Pharmacopoeia (EP) Reference Standard

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草酸锡(II)

Synonym(s): 草酸锡(II) 盐, 草酸亚锡

Linear Formula: SnC₂O₄

CAS No.:: 814-94-8
Molecular Weight:: 206.73
EC No.:: 212-414-0
Beilstein No.:: 3708588

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	402761	98%

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草酸锌水合物

Linear Formula: ZnC₂O₄· xH₂O

CAS No.:: 547-68-2
Molecular Weight:: 153.41 (anhydrous basis)
EC No.:: 208-934-2

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	544957	≥99.99% trace metals basis

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草酸二甲酯

Linear Formula: CH₃OCOCOOCH₃

CAS No.:: 553-90-2
Molecular Weight:: 118.09
EC No.:: 209-053-6
Beilstein No.:: 1071744

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	135623	ReagentPlus^®, 99%

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氟烯草酸

Synonym(s): 2-Chloro-4-fluoro-5-(3,4,5,6-tetrahydrophthalimido)phenoxyacetic acid, 2-[2-Chloro-4-fluoro-5-(1,3,4,5,6,7-hexahydro-1,3-dioxo-2H-isoindol-2-yl)phenoxy]acetic acid, [2-Chloro-5-(cyclohex-1-ene-1,2-dicarboximido)-4-fluororophenoxy]acetic acid

Empirical Formula (Hill Notation): C₁₆H₁₃ClFNO₅

CAS No.:: 87547-04-4
Molecular Weight:: 353.73
Beilstein No.:: 7775321

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	42266	PESTANAL^®, analytical standard

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莽草酸

Synonym(s): (3R,4S,5R)-(-)-3,4,5-三羟基-1-环己烯羧酸

Empirical Formula (Hill Notation): C₇H₁₀O₅

CAS No.:: 138-59-0
Molecular Weight:: 174.15
EC No.:: 205-334-2
Beilstein No.:: 2210055

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	S5375	≥99%
	69686	analytical standard

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草酸钠-¹³C₂

Synonym(s): 草酸-¹³C₂ 钠盐

Linear Formula: Na₂¹³C₂O₄

CAS No.:: 260429-91-2
Molecular Weight:: 135.98

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	490458	99 atom % ¹³C

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草酸铁(II) 二水合物

Synonym(s): 草酸亚铁二水合物

Linear Formula: FeC₂O₄ · 2H₂O

CAS No.:: 6047-25-2
Molecular Weight:: 179.89
EC No.:: 208-217-4
Beilstein No.:: 3757620

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	307726	99%
	255971	≥99.99% trace metals basis

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四草酸钾二水合物

Synonym(s): 草酸半钾盐

Linear Formula: KH₃(C₂O₄)₂ · 2H₂O

CAS No.:: 6100-20-5
Molecular Weight:: 254.19
Beilstein No.:: 3854419

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	NIST189C	NIST^® SRM^® 189c, pH standard

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草酸钙水合物

Empirical Formula (Hill Notation): C₂CaO₄ · xH₂O

CAS No.:: 24804-31-7
Molecular Weight:: 128.10 (anhydrous basis)
EC No.:: 209-260-1

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	289841

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草酸铬钾三水合物

Synonym(s): 三(草酸根)铬酸钾

Linear Formula: K₃Cr(C₂O₄)₃·3H₂O

CAS No.:: 15275-09-9
Molecular Weight:: 487.39

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	311006	98%

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草酸二钾一水合物

Synonym(s): 乙二酸, 草酸钾盐

Linear Formula: (COOK)₂ · H₂O

CAS No.:: 6487-48-5
Molecular Weight:: 184.23
EC No.:: 209-506-8
Beilstein No.:: 3752576

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	P0963	BioXtra, ≥98.5%
	223425	ACS reagent, 99%
	V900078	Vetec^™, reagent grade, 98%

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草酸镧(III) 水合物

Linear Formula: La₂(C₂O₄)₃· xH₂O

CAS No.:: 79079-18-8
Molecular Weight:: 541.87 (anhydrous basis)

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	461024	99.99% trace metals basis

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草酸铒(III) 水合物

Linear Formula: Er₂(C₂O₄)₃· xH₂O

CAS No.:: 58176-72-0
Molecular Weight:: 598.58 (anhydrous basis)

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	325600	99.9% trace metals basis

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草酸铈(III) 水合物

Synonym(s): Cerium oxalate nonahydrate

Linear Formula: Ce₂(C₂O₄)₃· xH₂O

CAS No.:: 15750-47-7
Molecular Weight:: 544.29 (anhydrous basis)
EC No.:: 205-362-5

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	325511	99.9% trace metals basis

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草酸二乙酯

Linear Formula: C₂H₅OCOCOOC₂H₅

CAS No.:: 95-92-1
Molecular Weight:: 146.14
EC No.:: 202-464-1
Beilstein No.:: 606350

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	135364	≥99%
	75712	purum, ≥99.0% (GC)

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草酸二苄酯

Linear Formula: (CO₂CH₂C₆H₅)₂

CAS No.:: 7579-36-4
Molecular Weight:: 270.28
EC No.:: 411-720-3

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	518034	98%

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草酸检测试剂盒

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	MAK315	sufficient for 100 colorimetric tests

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	75688	puriss. p.a., anhydrous, ≥99.0% (RT)
	194131	98%
	241172	ReagentPlus^®, ≥99%
	658537	purified grade, 99.999% trace metals basis
	41706	analytical standard

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	247537	ACS reagent, ≥99%
	33506	puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5% (manganometric)
	1.00495	for analysis EMSURE^® ACS,ISO,Reag. Ph Eur
	O0376	ReagentPlus^®, ≥99.0% (GC)
	75699	BioUltra, ≥99.0% (RT)

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	240370	≥99%
	75054	analytical standard
	W310107	≥99%, FCC, FG
	W310162	natural, ≥98%, FG
	44344	pharmaceutical impurity standard

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	09898	BioUltra, ≥99.5% (RT)
	221716	ACS reagent, ≥99%
	32304	puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., 99.5-101.0%
	379743	≥99.99% trace metals basis
	V900105	Vetec^™, reagent grade, 98%

草酸

草酸

草酸

草酸二水合物

草酸溶液

草酸溶液

草酸二水合物

草酸二锂盐

草酸铯

草酸二钠

咪草酸

（-）莽草酸

草酸钙一水合物

缬草酸

草酸铵一水合物

草酸锡(II)

草酸锌水合物

草酸二甲酯

氟烯草酸

莽草酸

草酸钠-¹³C₂

草酸铁(II) 二水合物

四草酸钾二水合物

草酸钙水合物

草酸铬钾三水合物

草酸二钾一水合物

草酸镧(III) 水合物

草酸铒(III) 水合物

草酸铈(III) 水合物

草酸二乙酯

草酸二苄酯

草酸检测试剂盒

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	1.60329	c(CsH₂O₄) = 0.005 mol; standardised against Potassium permangante solution, Titripur^®
	1.60330	c(CsH₂O₄) = 0.05 mol; standardised against Potassium permangante solution, Titripur^®

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	PHR2545	Pharmaceutical Secondary Standard; Certified Reference Material
	1481215	United States Pharmacopeia (USP) Reference Standard

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	1.06557	for analysis EMSURE^®
	1.02407	volumetric standard, secondary reference material for redox titration, traceable to NIST Standard Reference Material (SRM) Certipur^® Reag. USP

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	34350	PESTANAL^®, analytical standard
	90556	certified reference material, TraceCERT^®

草酸

草酸

草酸 溶液

草酸 二锂盐

草酸铯

（-）莽草酸

草酸钙 一水合物

草酸锡(II)

草酸锌 水合物

草酸二甲酯

氟烯草酸

草酸钠-13C2

四草酸钾 二水合物

草酸钙 水合物

草酸铬钾 三水合物

草酸镧(III) 水合物

草酸铒(III) 水合物

草酸铈(III) 水合物

草酸二苄酯

草酸检测试剂盒

草酸溶液

草酸二锂盐

草酸钙一水合物

草酸锌水合物

草酸钠-¹³C₂

四草酸钾二水合物

草酸钙水合物

草酸铬钾三水合物