1. White or almost white crystals 2. 97.0%-103.0% (38,800,000- 41,200,000IU/g) 3. Conforms to ... Ph. Eur. 7.3, USP32 4. 67-97-0 ... potency vitamin D3 resin, contains not less than 97.0 percent and not more than the equivalent of 103% ... 67-97-0Appearance: white or almost white crystalsAssay: 97.0%-103.0% (38,800,000- 41,200,000IU/g)Specific optical rotation: ...