A15 - Product Description (00HCUGDK-2020-41605).pdf

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Custom Chemicals (Isotopes)
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00HCUGDK-2020-41605
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A14 - Request for Quote - Custom Chemicals (Isotopes).pdf PDF

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ISOTOPE LABELING FOR INTERNAL STANDARDS

OPEN MARKET PLACE BID REQUIREMENTS

4-METHYLHIPPURIC ACID-13C6

13C

13C 13C

13C

13C

13C

NH

O

OH

O

Chemical Formula: C4

13C6H11NO3

Molecular Weight: 199.16 g/mol

N-ACETYL-S-(3-HYDROXYPROPYL)-L-CYSTEINE-13C5

H 13C

HN

13C

13CH3

OH

13C H2 13C

SHO

O

O

Chemical Formula: C3

13C5H15NO4S

Molecular Weight: 226.23 g/mol

N-ACETYL-S-(2,2-DICHLOROVINYL)-L-CYSTEINE-13C3,15N,D3

13C

H15N CD3

OH

13C

O

O

H2 13C

S

H

Cl

Cl

Chemical Formula: C4 13C3H6D3Cl2

15NO3S

Molecular Weight: 265.10 g/mol

N-ACETYL-S-(2-CARBAMOYL-2-HYDROXYETHYL)-L-CYSTEINE-13C3

13C

HN

OH

13C

O

O

H2 13C

S

OH

H2N

O

Chemical Formula: C5 13C3H14N2O5S

Molecular Weight: 253.25 g/mol

N-ACETYL-S-(3-HYDROXYPROPYL-1-METHYL)-L-CYSTEINE-13C3

13C

HN

OH

13C

O

O

H2 13C

SHO

Chemical Formula: C6

13C3H17NO4S

Molecular Weight: 238.28

CH3

g/mol

N-ACETYL-S-(3,4-DIHYDROXYBUTYL)-L-CYSTEINE-13C4

13C

HN

13C

OH

13C

O

O

H2 13C

S

OH

HO

Chemical Formula: C5

13C4H17NO5S

Molecular Weight: 255.27 g/mol

N-ACETYL-S-(6-HYDROXY-2,4-CYCLOHEXADIEN-1-YL)-L-CYSTEINE

Chemical Formula: C11H14NO4S

Molecular Weight: 256 g/mol

CHEMICAL AND ISOTOPIC PURITY REQUIREMENTS

1. 4-Methylhippuric acid –13C6. Isotopic purity and chemical purity equal to or greater than 98%. Need 25-50 mg.

2. N-Acetyl-S-(3-hydroxypropyl)-L-cysteine-13C5. Isotopic purity and chemical purity equal to or greater than 98%.

Need 25-50 mg.

3. N-Acetyl-S-(2,2-dichlorovinyl)-L-cysteine-13C3,15N,D3. Isotopic purity and chemical purity equal to or greater than 98%. Need 25-50 mg.

4. N-Acetyl-S-(2-carbamoyl-2-hydroxyethyl)-L-cysteine-13C3. Isotopic purity and chemical purity equal to or greater than 98%. Need 25-50 mg.

5. N-Acetyl-S-(3-hydroxypropyl-1-methyl)-L-cysteine-13C3. Isotopic purity and chemical purity equal to or greater than 98%. Need 25-50 mg.

6. N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine-13C4. Isotopic purity and chemical purity equal to or greater than 98%.

Need 25-50 mg.

7. N-Acetyl-S-(6-hydroxy-2,4-cyclohexadien-1-yl)-L-cysteine. Chemical purity greater than 95%. Mixture of diastereomers is acceptable if it is properly documented. Need 50-75 mg.

Isotope labeling for Internal standards
4-methylhippuric acid-13C6
N-Acetyl-s-(3-hydroxypropyl)-L-cysteine-13c5
N-acetyl-s-(2,2-dichlorovinyl)-L-cysteine-13C3,15N,D3
N-Acetyl-S-(2-carbamoyl-2-hydroxyethyl)-L-cysteine-13C3
N-Acetyl-S-(3-hydroxypropyl-1-methyl)-L-cysteine-13C3
N-Acetyl-s-(3,4-dihydroxybutyl)-L-Cysteine-13C4
N-Acetyl-S-(6-hydroxy-2,4-cyclohexadien-1-yl)-L-cysteine
Chemical and isotopic purity requirements

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