This reference standard is supplied by the United States Pharmacopeia. According to the USP, the quantity of each component is not available. These values would have no impact on the intended USP compendial application of the material. The product is used as a qualitative resolution probe and elution marker in USP General Chapter 212, Oligosaccharide Analysis.
Please see the certificate below for the formulation information:
https://static.usp.org/pdf/EN/referenceStandards/certificates/1478232-F026N0.pdf