Atracurium Impurities or Intermediates

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(R-cis, R'-trans)- Atracurium Chloride

CAT No	: AM-A09346
CAS No	: NA
Molecular Formula	: C53H72N2O12 : 2(Cl
Molecular Weight	: 929.2 : 2(35.5)

(R-cis, R'-trans)-Atracurium

CAT No	: AM-A09392
CAS No	: 96946-43-9
Molecular Formula	: C53H72N2O12
Molecular Weight	: 929.2

(R-trans, R'-trans)-Atracurium

CAT No	: AM-A09393
CAS No	: 96946-45-1
Molecular Formula	: C53H72N2O12
Molecular Weight	: 929.2

(R-trans, R'-trans)-Atracurium Trifluoro acetate

CAT No	: AM-A09385
CAS No	: NA
Molecular Formula	: C53H72N2O12 : 2(C2
Molecular Weight	: 929.2 : 2(113.0)

(R)-(+)-Tetrahydropapaverine

CAT No	: AM-A09341
CAS No	: 50896-90-7
Molecular Formula	: C20H25NO4
Molecular Weight	: 343.4

(R)-Laudanosine

CAT No	: AM-A09344
CAS No	: 85-63-2
Molecular Formula	: C21H27NO4
Molecular Weight	: 357.5

(R)-N-Methyllaudanosine Iodide

CAT No	: AM-A09345
CAS No	: 41431-32-7
Molecular Formula	: C22H30NO4 : I
Molecular Weight	: 372.5 : 126.9

(R)-trans-Atracurium Besylate

CAT No	: AM-A09391
CAS No	: 96946-46-2
Molecular Formula	: C53H72N2O12 : 2(C6
Molecular Weight	: 929.2 : 2(157.2)

(S)-(-)-Tetrahydropapaverine N-Acetyl-L-phenylalanine

CAT No	: AM-A09347
CAS No	: NA
Molecular Formula	: C20H25NO4 : C11H13
Molecular Weight	: 343.4 : 207.2

Atracurium

CAT No	: AM-A09394
CAS No	: 64228-79-1
Molecular Formula	: C53H72N2O12
Molecular Weight	: 929.2

Atracurium Besilate

CAT No	: AM-A09348
CAS No	: 64228-81-5
Molecular Formula	: C53H72N2O12 : 2(C6
Molecular Weight	: 157.2 : 2(157.2)

Atracurium Besilate EP Impurity A

CAT No	: AM-A09349
CAS No	: 155913-36-3
Molecular Formula	: C52H69N2O12 : C6H5
Molecular Weight	: 914.1 : 157.2

Atracurium Besilate EP Impurity C (Mixture of Diastereomers)

CAT No	: AM-A09350
CAS No	: NA
Molecular Formula	: C32H44NO8 : C6H5O3
Molecular Weight	: 570.7 : 157.2

Atracurium Besilate Impurity 4

CAT No	: AM-A09395
CAS No	: NA
Molecular Formula	: C32H44NO8 : C6H5O3
Molecular Weight	: 570.7 : 157.2

Atracurium Besilate Impurity C2 Iodide

CAT No	: AM-A09396
CAS No	: NA
Molecular Formula	: C32H44NO8 : I
Molecular Weight	: 570.7 : 126.9

Atracurium Besylate EP Impurity B

CAT No	: AM-A09351
CAS No	: 64228-77-9
Molecular Formula	: C51H66N2O12
Molecular Weight	: 899.1

Atracurium Besylate Impurity D2 Iodide (cis-Quaternary Alcohol)

CAT No	: AM-A09397
CAS No	: NA
Molecular Formula	: C29H42NO7 : I
Molecular Weight	: 516.7 : 126.9

Atracurium cis-Quaternary Acid

CAT No	: AM-A09352
CAS No	: 1075727-06-8
Molecular Formula	: C24H32NO6 : C6H5O3
Molecular Weight	: 430.5 : 157.2

Atracurium cis-Quaternary methyl ester

CAT No	: AM-A09398
CAS No	: 1075726-87-2
Molecular Formula	: C25H34NO6
Molecular Weight	: 444.5

Atracurium cis-Quaternary methyl ester (Besylate)

CAT No	: AM-A09353
CAS No	: 1075726-88-3
Molecular Formula	: C25H34NO6 : C6H5O3
Molecular Weight	: 444.5 : 157.2

Atracurium cis-Quaternary methyl ester (Chloride)

CAT No	: AM-A09386
CAS No	: NA
Molecular Formula	: C25H34NO6 : Cl
Molecular Weight	: 444.5 : 35.5

Atracurium EP Impurity A (TFA salt)

CAT No	: AM-A09354
CAS No	: NA
Molecular Formula	: C52H69N2O12 : C2F3
Molecular Weight	: 914.1 : 113.0

Atracurium EP impurity C

CAT No	: AM-A09399
CAS No	: 86293-35-8
Molecular Formula	: C32H44NO8
Molecular Weight	: 570.7

Atracurium EP impurity C (TFA salt)

CAT No	: AM-A09355
CAS No	: NA
Molecular Formula	: C32H44NO8 : C2HF3O
Molecular Weight	: 570.7 : 114.0

Atracurium EP Impurity D (Mixture of Diastereomers)

CAT No	: AM-A09400
CAS No	: 87046-72-8
Molecular Formula	: C29H42NO7
Molecular Weight	: 516.4

Atracurium EP Impurity D (TFA salt)

CAT No	: AM-A09356
CAS No	: NA
Molecular Formula	: C29H42NO7 : C2F3O2
Molecular Weight	: 516.7 : 113.0

Atracurium EP Impurity D Iodide (Mixture of Diastereomers)

CAT No	: AM-A09401
CAS No	: NA
Molecular Formula	: C29H42NO7 : I
Molecular Weight	: 516.7 : 126.9

Atracurium EP Impurity E (Besylate salt)

CAT No	: AM-A09357
CAS No	: 2892260-35-2
Molecular Formula	: C24H32NO6 : C6H5O3
Molecular Weight	: 430.5 : 157.2

Atracurium EP Impurity E (Dihydrate)

CAT No	: AM-A09387
CAS No	: NA
Molecular Formula	: C24H32NO6 : 2(H2O)
Molecular Weight	: 430.5 : 2(18.0)

Atracurium EP Impurity F (Besylate salt)

CAT No	: AM-A09358
CAS No	: 155913-37-4
Molecular Formula	: C22H30NO4 : C6H5O3
Molecular Weight	: 372.5 : 157.2

Atracurium EP impurity F Chloride

CAT No	: AM-A09359
CAS No	: 23979-10-4
Molecular Formula	: C22H30NO4 : Cl
Molecular Weight	: 372.5 : 35.5

Atracurium EP impurity F Iodide

CAT No	: AM-A09360
CAS No	: 24948-17-2
Molecular Formula	: C22H30NO4 : I
Molecular Weight	: 372.5 : 126.9

Atracurium EP impurity G

CAT No	: AM-A09361
CAS No	: 1699-51-0
Molecular Formula	: C21H27NO4
Molecular Weight	: 357.5

Atracurium EP impurity G Hydrochloride

CAT No	: AM-A09362
CAS No	: 37545-26-9
Molecular Formula	: C21H27NO4 : HCl
Molecular Weight	: 357.5 : 36.5

Atracurium EP Impurity H

CAT No	: AM-A09402
CAS No	: NA
Molecular Formula	: C54H74N2O12
Molecular Weight	: 943.2

Atracurium EP Impurity I (2TFA salt)

CAT No	: AM-A09363
CAS No	: NA
Molecular Formula	: C54H74N2O12 : 2(C2
Molecular Weight	: 943.2 : 2(113.0)

Atracurium EP Impurity I (Besylate salt)

CAT No	: AM-A09364
CAS No	: NA
Molecular Formula	: C54H74N2O12 : 2(C6
Molecular Weight	: 943.2 : 2(157.2)

Atracurium EP impurity K

CAT No	: AM-A09403
CAS No	: 2767988-79-2
Molecular Formula	: C54H74N2O12
Molecular Weight	: 943.2

Atracurium EP impurity K (2TFA salt)

CAT No	: AM-A09365
CAS No	: NA
Molecular Formula	: C54H74N2O12 : 2(C2
Molecular Weight	: 943.2 : 2(113.0)

Atracurium EP Impurity K (Besylate salt)

CAT No	: AM-A09366
CAS No	: NA
Molecular Formula	: C54H74N2O12 : 2(C6
Molecular Weight	: 943.2 : 2(157.2)

Atracurium Impurity 10

CAT No	: AM-A09367
CAS No	: 1193104-95-8
Molecular Formula	: C24H32NO6 : C6H5O3
Molecular Weight	: 430.5 : 157.2

Atracurium Impurity 11

CAT No	: AM-A09368
CAS No	: 1075727-02-4
Molecular Formula	: C28H40NO6 : C6H5O3
Molecular Weight	: 486.6 : 157.2

Atracurium Impurity 15

CAT No	: AM-A09404
CAS No	: 86682-55-5
Molecular Formula	: C20H25NO5
Molecular Weight	: 359.4

Atracurium Impurity 16

CAT No	: AM-A09369
CAS No	: 20345-69-1
Molecular Formula	: C20H21NO5
Molecular Weight	: 355.4

Atracurium Impurity 17

CAT No	: AM-A09405
CAS No	: NA
Molecular Formula	: C54H74N2O12
Molecular Weight	: 943.2

Atracurium Impurity 2

CAT No	: AM-A09406
CAS No	: NA
Molecular Formula	: C56H76N2O14
Molecular Weight	: 1001.2

Atracurium Impurity 2 (Iodide salt)

CAT No	: AM-A09407
CAS No	: NA
Molecular Formula	: C56H76N2O14 : 2(I)
Molecular Weight	: 1001.2 : 2(126.9)

Atracurium Impurity 4

CAT No	: AM-A09408
CAS No	: NA
Molecular Formula	: C32H44NO8
Molecular Weight	: 570.7

Atracurium Impurity 5

CAT No	: AM-A09370
CAS No	: NA
Molecular Formula	: C32H44NO8 : C2F3O2
Molecular Weight	: 570.7 : 113.0

Atracurium Impurity 6

CAT No	: AM-A09409
CAS No	: 96946-50-8
Molecular Formula	: C53H72N2O122 : C6H
Molecular Weight	: 929.2 : 157.2

Atracurium Impurity 7

CAT No	: AM-A09410
CAS No	: NA
Molecular Formula	: C53H72N2O12
Molecular Weight	: 929.2

Atracurium Impurity 7 (Iodide salt)

CAT No	: AM-A09411
CAS No	: NA
Molecular Formula	: C53H72N2O12 : 2(I)
Molecular Weight	: 929.2 : 2(126.9)

Atracurium Impurity 8 (cis-Quaternary Alcohol)

CAT No	: AM-A09371
CAS No	: NA
Molecular Formula	: C29H42NO7 : C2F3O2
Molecular Weight	: 516.7 : 113.0

Atracurium Impurity 8 (Trans-Quaternary Alcohol)

CAT No	: AM-A09388
CAS No	: NA
Molecular Formula	: C29H42NO7 : Cl
Molecular Weight	: 516.7 : 35.5

Atracurium Impurity 9

CAT No	: AM-A09412
CAS No	: 1075726-89-4
Molecular Formula	: C25H34NO6
Molecular Weight	: 444.5

Atracurium Impurity 9 (Besylate salt)

CAT No	: AM-A09372
CAS No	: 1075726-90-7
Molecular Formula	: C25H34NO6 : C6H5O3
Molecular Weight	: 444.5 : 157.2

Atracurium Impurity A1 (trans-Monoquatenary)

CAT No	: AM-A09373
CAS No	: NA
Molecular Formula	: C52H69N2O12 : C2F3
Molecular Weight	: 914.1 : 113.0

Atracurium Impurity A1 (trans-Monoquatenary) Free base

CAT No	: AM-A09413
CAS No	: 2024603-91-4
Molecular Formula	: C52H69N2O12
Molecular Weight	: 914.1

Atracurium Impurity A2 (cis-Monoquatenary) TFA salt

CAT No	: AM-A09374
CAS No	: NA
Molecular Formula	: C52H69N2O12 : C2F3
Molecular Weight	: 914.1 : 113.0

Atracurium Impurity C

CAT No	: AM-A09414
CAS No	: 119403-01-9
Molecular Formula	: C32H44NO8
Molecular Weight	: 570.7

Atracurium Impurity C (Iodide salt)

CAT No	: AM-A09415
CAS No	: NA
Molecular Formula	: C32H44NO8 : I
Molecular Weight	: 570.7 : 126.9

Atracurium Impurity C1 (trans-Monoacrylate) TFA salt

CAT No	: AM-A09375
CAS No	: NA
Molecular Formula	: C32H44NO8 : C2F3O2
Molecular Weight	: 570.7 : 113.0

Atracurium Impurity C2

CAT No	: AM-A09416
CAS No	: NA
Molecular Formula	: C32H44NO8
Molecular Weight	: 570.7

Atracurium Impurity D1

CAT No	: AM-A09417
CAS No	: 2922251-87-2
Molecular Formula	: C29H42NO7
Molecular Weight	: 516.7

Atracurium Impurity D1 (Besylate salt)

CAT No	: AM-A09376
CAS No	: 2922251-88-3
Molecular Formula	: C29H42NO7 : C6H5O3
Molecular Weight	: 516.7 : 157.2

Atracurium Impurity D1 (Iodide salt)

CAT No	: AM-A09418
CAS No	: NA
Molecular Formula	: C29H42NO7 : I
Molecular Weight	: 516.7 : 126.9

Atracurium Impurity D2 (cis-Quaternary Alcohol)

CAT No	: AM-A09419
CAS No	: 1100676-15-0
Molecular Formula	: C29H42NO7
Molecular Weight	: 516.7

Atracurium Impurity E (cis-Quaternary Acid) TFA salt

CAT No	: AM-A09377
CAS No	: NA
Molecular Formula	: C24H32NO6 : C2F3O2
Molecular Weight	: 430.5 : 113.0

Atracurium Impurity M ((R-cis, R'-cis)-Atracurium)

CAT No	: AM-A09378
CAS No	: NA
Molecular Formula	: C54H74N2O12 : 2(C2
Molecular Weight	: 943.2 : 2(113.0)

Atracurium Impurity M (R-cis, R'-cis)-Atracurium Free base

CAT No	: AM-A09420
CAS No	: 1193104-84-5
Molecular Formula	: C54H74N2O12
Molecular Weight	: 943.2

Bisacrylate

CAT No	: AM-A09379
CAS No	: 36840-85-4
Molecular Formula	: C11H16O4
Molecular Weight	: 212.2

Cis- Trans Atracurium Quaternary acid

CAT No	: AM-A09421
CAS No	: 172589-37-6
Molecular Formula	: C24H32NO6
Molecular Weight	: 430.5

Cis- Trans Atracurium Quaternary acid Trifluoroacetate salt

CAT No	: AM-A09384
CAS No	: NA
Molecular Formula	: C24H32NO6 : C2F3O2
Molecular Weight	: 430.5 : 113.0

Cis-Atracurium Trifluoroacetate

CAT No	: AM-A09382
CAS No	: NA
Molecular Formula	: C53H72N2O12 : 2(C2
Molecular Weight	: 929.2 : 2(113.0)

Cis, Trans-R,R Atracurium Besyl

CAT No	: AM-A09422
CAS No	: NA
Molecular Formula	: C52H70N2O12 : 2(C6
Molecular Weight	: 915.1 : 2(158.2)

Cisatracurium EP Impurity K TFA salt

CAT No	: AM-A09380
CAS No	: NA
Molecular Formula	: C54H74N2O12 : 2(C2
Molecular Weight	: 943.2 : 2(113.0)

Cisatracurium EP Impurity R (Oxalate salt)

CAT No	: AM-A09381
CAS No	: 96687-52-4
Molecular Formula	: C51H66N2O12 : 2C2H
Molecular Weight	: 899.1 : 2(90.0)

N-Desmethyl-transatracurium Besylate

CAT No	: AM-A09425
CAS No	: 2024603-92-5
Molecular Formula	: C52H69N2O12 : C6H5
Molecular Weight	: 914.1 : 157.2

R-Tetrahydropapaverine

CAT No	: AM-A09383
CAS No	: 876290-45-8
Molecular Formula	: C20H25NO4 : C11H13
Molecular Weight	: 343.4 : 207.2

Trans Atracurium Quaternary acid

CAT No	: AM-A09423
CAS No	: NA
Molecular Formula	: C24H32NO6
Molecular Weight	: 430.5

Trans Atracurium Quaternary acid Trifluoroacetate salt

CAT No	: AM-A09389
CAS No	: NA
Molecular Formula	: C24H32NO6 : C2F3O2
Molecular Weight	: 430.5 : 113.0

Trans Atracurium Quaternary methyl ester

CAT No	: AM-A09424
CAS No	: 1474022-37-1
Molecular Formula	: C25H34NO6
Molecular Weight	: 444.6

Trans Atracurium Quaternary methyl ester Trifluoroacetate salt

CAT No	: AM-A09390
CAS No	: NA
Molecular Formula	: C25H34NO6 : C2F3O2
Molecular Weight	: 444.6 : 113.0