Cambridge Isotope Laboratories

a-Keto Acids

a-Ketobutyric acid, sodium salt (13C4, 98%)
a-Ketobutyric acid, sodium salt (13C4, 98%)
CLM-6164-PK

a-Ketobutyric acid, sodium salt (13C4, 98%)

α-ketobutyric acid, sodium salt (13C4, 98%) is a short-chain keto acid and a precursor for making isoleucine. It is commonly used for methyl-labeling in NMR-based applications.
Item No.
CLM-6164-PK
CAS Number (labeled)
2483736-24-7
CAS Number (unlabeled)
2013-26-5
Formula
*CH3*CH2*CO*COONa
Molecular Weight
128.04
Isotopic enrichment
98%-98.9%
Chemical purity
98%
Product form
Individual
Grade
Research
Out of stock
a-Ketobutyric acid, sodium salt (13C4, 98%; 3,3-D2, 98%)
a-Ketobutyric acid, sodium salt (13C4, 98%; 3,3-D2, 98%)
CDLM-4611-PK

a-Ketobutyric acid, sodium salt (13C4, 98%; 3,3-D2, 98%)

This item requires an export license when the destination country is CN (+Hong Kong),BY, IR, IL, LB, MO, PK, RU VE.
Item No.
CDLM-4611-PK
CAS Number (labeled)
360767-17-1
CAS Number (unlabeled)
2013-26-5
Formula
*CH3*CD2*CO*COONa
Molecular Weight
130.05
Isotopic enrichment
98%-98.9%
Chemical purity
98%
Product form
Individual
Grade
Research
Out of stock
a-Ketobutyric acid, sodium salt (4-13C, 99%; 3,3,4,4-D4, 98%)
a-Ketobutyric acid, sodium salt (4-13C, 99%; 3,3,4,4-D4, 98%)
CDLM-7353-PK

a-Ketobutyric acid, sodium salt (4-13C, 99%; 3,3,4,4-D4, 98%)

This item requires an export license when the destination country is CN (+Hong Kong),BY, IR, IL, LB, MO, PK, RU VE.
Item No.
CDLM-7353-PK
CAS Number (labeled)
2483824-49-1
CAS Number (unlabeled)
2013-26-5
Formula
*CHD2CD2COCOONa
Molecular Weight
129.09
Isotopic enrichment
99%-99.9%
Chemical purity
98%
Product form
Individual
Grade
Research
Out of stock
a-Ketobutyric acid, sodium salt (methyl-13C, 99%)
a-Ketobutyric acid, sodium salt (methyl-13C, 99%)
CLM-6820-PK

a-Ketobutyric acid, sodium salt (methyl-13C, 99%)

α-ketobutyric acid, sodium salt (methyl-13C, 99%) is a short-chain keto acid and a precursor for making isoleucine. It is commonly used for methyl-labeling in NMR-based applications.
Item No.
CLM-6820-PK
CAS Number (labeled)
634908-43-3
CAS Number (unlabeled)
2013-26-5
Formula
*CH3CH2COCOONa
Molecular Weight
125.08
Isotopic enrichment
99%-99.9%
Chemical purity
98%
Product form
Individual
Grade
Research
Out of stock
a-Ketobutyric acid, sodium salt (methyl-13C, 99%; 3,3-D2, 98%)
a-Ketobutyric acid, sodium salt (methyl-13C, 99%; 3,3-D2, 98%)
CDLM-7318-PK

a-Ketobutyric acid, sodium salt (methyl-13C, 99%; 3,3-D2, 98%)

Alpha-ketobutyric acid, sodium salt is a short-chain keto acid and a precursor for making isoleucine. It is commonly used for methyl-labeling in NMR-based applications.
Item No.
CDLM-7318-PK
CAS Number (labeled)
1189500-69-3
CAS Number (unlabeled)
2013-26-5
Formula
*CH3CD2COCOONa
Molecular Weight
127.08
Isotopic enrichment
99%-99.9%
Chemical purity
98%
Product form
Individual
Grade
Research
Out of stock
a-Ketoglutaric acid (13C5, 99%) CP 90%
a-Ketoglutaric acid (13C5, 99%) CP 90%
CLM-2411-PK

a-Ketoglutaric acid (13C5, 99%) CP 90%

Alpha-ketoglutaric acid is an keto acid and metabolite in the TCA cycle. It is a precursor for making Glutamate and can be used as an internal standard.
Item No.
CLM-2411-PK
CAS Number (labeled)
161096-83-9
CAS Number (unlabeled)
328-50-7
Formula
HOO*C*CH2*CH2*CO*COOH
Molecular Weight
151.06
Isotopic enrichment
99%-99.9%
Chemical purity
90%
Product form
Individual
Grade
Research
Out of stock
a-Ketoglutaric acid (D6, 98%)
a-Ketoglutaric acid (D6, 98%)
DLM-9476-PK

a-Ketoglutaric acid (D6, 98%)

Dry ice shipment required. This item requires an export license when the destination country is CN (+Hong Kong), BY, IR, IL, LB, MO, PK, RU VE.
Item No.
DLM-9476-PK
CAS Number (labeled)
1173021-86-7
CAS Number (unlabeled)
328-50-7
Formula
C5D6O5
Molecular Weight
152.13
Isotopic enrichment
98%-98.9%
Chemical purity
98%
Product form
Individual
Grade
Research
Out of stock
a-Ketoglutaric acid, disodium salt (1,2,3,4-13C4, 99%)
a-Ketoglutaric acid, disodium salt (1,2,3,4-13C4, 99%)
CLM-4442-PK

a-Ketoglutaric acid, disodium salt (1,2,3,4-13C4, 99%)

Alpha-ketoglutaric acid, disodium salt is an keto acid salt and metabolite in the TCA cycle. It is a precursor for making Glutamate and can be used as an internal standard.
Item No.
CLM-4442-PK
CAS Number (labeled)
1429051-79-8
CAS Number (unlabeled)
305-72-6
Formula
C*C4H4Na2O5
Molecular Weight
194.03
Isotopic enrichment
99%-99.9%
Chemical purity
95%
Product form
Individual
Grade
Research
Out of stock
a-Ketoisocaproic acid, sodium salt (1,2-13C2, 99%)
a-Ketoisocaproic acid, sodium salt (1,2-13C2, 99%)
CLM-4826-MG-PK

a-Ketoisocaproic acid, sodium salt (1,2-13C2, 99%)

α-ketoisocaproic acid, soldium salt (1,2-13C2, 99%) is a metabolic intermediate of leucine and also found in patients with maple syrup urine disease. It can be used as a starting material or internal
Item No.
CLM-4826-MG-PK
CAS Number (labeled)
2483736-09-8
CAS Number (unlabeled)
4502-00-5
Formula
(CH3)2CHCH2*C(O)*COONa
Molecular Weight
154.11
Chemical purity
98%
Grade
Research
Out of stock
a-Ketoisocaproic acid, sodium salt (1,2-13C2, 99%)
a-Ketoisocaproic acid, sodium salt (1,2-13C2, 99%)
CLM-4826-PK

a-Ketoisocaproic acid, sodium salt (1,2-13C2, 99%)

α-ketoisocaproic acid, soldium salt (1,2-13C2, 99%) is a metabolic intermediate of leucine and also found in patients with maple syrup urine disease. It can be used as a starting material or internal
Item No.
CLM-4826-PK
CAS Number (labeled)
2483736-09-8
CAS Number (unlabeled)
4502-00-5
Formula
(CH3)2CHCH2*C(O)*COONa
Molecular Weight
154.11
Isotopic enrichment
99%-99.9%
Chemical purity
98%
Product form
Individual
Grade
Research
Out of stock
a-Ketoisocaproic acid, sodium salt (1-13C, 99%)
a-Ketoisocaproic acid, sodium salt (1-13C, 99%)
CLM-2093-PK

a-Ketoisocaproic acid, sodium salt (1-13C, 99%)

Item No.
CLM-2093-PK
CAS Number (labeled)
93523-70-7
CAS Number (unlabeled)
4502-00-5
Formula
(CH3)2CHCH2C(O)*COONa
Molecular Weight
153.12
Isotopic enrichment
99%-99.9%
Chemical purity
98%
Product form
Individual
Grade
Research
Out of stock
a-Ketoisocaproic acid, sodium salt (1-13C, 99%) microbiological/pyrogen tested
a-Ketoisocaproic acid, sodium salt (1-13C, 99%) microbiological/pyrogen tested
CLM-2093-MPT-PK

a-Ketoisocaproic acid, sodium salt (1-13C, 99%) microbiological/pyrogen tested

Item No.
CLM-2093-MPT-PK
CAS Number (unlabeled)
4502-00-5
Formula
(CH3)2CHCH2C(O)*COONa
Molecular Weight
153.12
Isotopic enrichment
99%-99.9%
Chemical purity
98%
Product form
Individual
Grade
MPT
Out of stock
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a-Keto Acids