≥98.0%      CAS No.:141-90-2

98%      CAS No.:141-92-4

98+%      CAS No.:141-94-6

98%      CAS No.:141-95-7

98%      CAS No.:141-96-8

98%      CAS No.:141-97-9

98%      CAS No.:141-98-0

98%      CAS No.:142-03-0

98%      CAS No.:142-04-1

98%      CAS No.:142-08-5

98%      CAS No.:142-09-6

98%      CAS No.:142-10-9

98%      CAS No.:142-15-4

98%      CAS No.:142-16-5

98%      CAS No.:142-17-6

GC≥98%      CAS No.:142-18-7

98%      CAS No.:142-19-8

98%      CAS No.:142-20-1

≥80.0%      CAS No.:142-22-3

97%      CAS No.:142-25-6