QUALITY CONTROL CHEMICALS INC. | STANDARD REFERENCE MATERIAL

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Levetiracetam Carboxylic Acid

QCC Cat No.:

QL052008

CAS No.:

102849-49-0

Mol Formula:

C8H13NO3

Mol. Weight:

171.19

Levetiracetam Impurity I

QCC Cat No.:

QL052009

CAS No.:

358629-51-3

Mol Formula:

C9H15NO3

Mol. Weight:

185.22

Levetiracetam Impurity J

QCC Cat No.:

QL052010

CAS No.:

NA

Mol Formula:

C8H14ClNO3

Mol. Weight:

207.65

Levetiracetam Impurity K

QCC Cat No.:

QL052011

CAS No.:

NA

Mol Formula:

C9H16ClNO3

Mol. Weight:

221.68

Levetiracetam Impurity L

QCC Cat No.:

QL052012

CAS No.:

NA

Mol Formula:

C8H17N3O2

Mol. Weight:

187.24

Levetiracetam Impurity M

QCC Cat No.:

QL052013

CAS No.:

NA

Mol Formula:

C8H17N3O2

Mol. Weight:

187.24

Levetiracetam Impurity E

QCC Cat No.:

QL052020

CAS No.:

3886-69-9

Mol Formula:

C8H11N

Mol. Weight:

121.18

Levetiracetam Impurity U

QCC Cat No.:

QL052021

CAS No.:

7324-11-0;7682-20-4(HCl salt)

Mol Formula:

C4H10N2O

Mol. Weight:

102.13

Levetiracetam Impurity V

QCC Cat No.:

QL052022

CAS No.:

143164-46-9;89603-48-5(HCl salt)

Mol Formula:

C4H10N2O

Mol. Weight:

102.13

Levetiracetam Impurity 2

QCC Cat No.:

QL052028

CAS No.:

33996-58-6

Mol Formula:

C8H14N2O2

Mol. Weight:

170.21

Levetiracetam Impurity 4

QCC Cat No.:

QL052030

CAS No.:

NA

Mol Formula:

C12H20Cl2N2O3

Mol. Weight:

311.20

Levetiracetam Impurity 5

QCC Cat No.:

QL052031

CAS No.:

1844123-52-9

Mol Formula:

C8H17N3O2

Mol. Weight:

187.24

Levetiracetam Impurity 6

QCC Cat No.:

QL052032

CAS No.:

1867585-44-1

Mol Formula:

C8H17N3O2

Mol. Weight:

187.24

Levetiracetam Impurity 7

QCC Cat No.:

QL052033

CAS No.:

1933471-30-7

Mol Formula:

C8H14N2O3

Mol. Weight:

186.21

Levetiracetam Impurity 8

QCC Cat No.:

QL052034

CAS No.:

NA

Mol Formula:

C8H14N2O4

Mol. Weight:

202.21

Levetiracetam Impurity 9

QCC Cat No.:

QL052035

CAS No.:

NA

Mol Formula:

C8H13NO5

Mol. Weight:

203.19

Levetiracetam Impurity 10

QCC Cat No.:

QL052036

CAS No.:

NA

Mol Formula:

C20H38N2O5

Mol. Weight:

386.53

Levetiracetam Impurity 11

QCC Cat No.:

QL052037

CAS No.:

NA

Mol Formula:

C18H33BrN2O4

Mol. Weight:

421.37

Levetiracetam Impurity 12

QCC Cat No.:

QL052038

CAS No.:

NA

Mol Formula:

C15H30N4O3

Mol. Weight:

314.42

Levetiracetam-d6

QCC Cat No.:

QL052039

CAS No.:

1133229-30-7

Mol Formula:

C8H8D6N2O2

Mol. Weight:

176.25

Levetiracetam Impurity 14

QCC Cat No.:

QL052040

CAS No.:

1868118-63-1

Mol Formula:

C8H16N2O3

Mol. Weight:

188.22

Levetiracetam Impurity 15

QCC Cat No.:

QL052041

CAS No.:

79194-54-0

Mol Formula:

C4H5Cl3O

Mol. Weight:

175.44

Levetiracetam Impurity 16

QCC Cat No.:

QL052042

CAS No.:

NA

Mol Formula:

C12H19N3O2

Mol. Weight:

237.3

Levetiracetam Impurity 17

QCC Cat No.:

QL052043

CAS No.:

NA

Mol Formula:

C8H12N2O2

Mol. Weight:

168.19

Levetiracetam-d3

QCC Cat No.:

QL052060

CAS No.:

1217851-16-5

Mol Formula:

C8H11D3N2O2

Mol. Weight:

173.23

Leuprolide acetate (Leuprorelin acetate)

QCC Cat No.:

QL052100

CAS No.:

74381-53-6; 53714-56-0(free base)

Mol Formula:

C59H84N16O12 C2H4O2

Mol. Weight:

1209.40 60.05

Leuprolide(Leuprorelin) EP Impurity A

QCC Cat No.:

QL052101

CAS No.:

62621-13-0

Mol Formula:

C59H84N16O12

Mol. Weight:

1209.42

Leuprolide(Leuprorelin) EP Impurity B

QCC Cat No.:

QL052102

CAS No.:

112642-11-2

Mol Formula:

C59H84N16O12

Mol. Weight:

1209.42

Leuprolide(Leuprorelin) EP Impurity C

QCC Cat No.:

QL052103

CAS No.:

54785-87-4

Mol Formula:

C59H84N16O12

Mol. Weight:

1209.42

Leuprolide(Leuprorelin) EP Impurity D

QCC Cat No.:

QL052104

CAS No.:

1926163-25-8

Mol Formula:

C61H86N16O13

Mol. Weight:

1251.46