Dihydroavermectin B1a CAS 70161-11-4 Ivermectin B1a

Payment Terms:

T/T, WU

Production Capacity:

500T/year

Min. Order:

1 Gram

Packing:

according to the customer's requirements 

Means of Transport:

Ocean, Air, Land

Delivery Date:

7 days

Appearance

White or yellowish-crystalline powder

White crystalline powder

Identification

IR: compare with that of CRS standard

HPLC: the retention time for it compare with that of CRS standard

Complies

Water 

≤ 1.0%

0.24%

Appearance of solution

Clear and not more colored than BY7

Clear 

Related substances

Individual impurities ≤ 2.5%

1.95

Any other individual impurities ≤ 1%

0.62 0.24 0.15 0.35 0.16 0.53 0.16

Total impurities ≤ 5%

4.55

Detection limit

≤ 0.05%

0.05%

Ethanol

≤ 5%

3.95%

 Formamide

≤ 3%

2.70%

Heavy metals

≤ 0.002%

< 0.001%

Sulphated ash

≤ 0.1%

0.05%

Assay (on dried basis)

95% ~102%

95.83%

H2B12

≥ 90%

97%

specific optical rotation

-17° ~ -20°

-18°