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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 235615Generated: November 2, 2026

Pyruvic Acid → HCID 94796, compound

https://huagongshe.com/reaction/235615

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyruvic AcidHCID 1060—
ReactantSemicarbazide hydrochlorideHCID 11236—
SolventWaterHCID 962—
ProductHCID 94796HCID 94796—

Reaction Steps

22.3 g of hydrochloric acid semicarbazide was dissolved in 100 ml of water, and 13.9 ml of pyruvic acid was added to the solution while stirring. Precipitated crystals were filtered out, washed, and dried to obtain 21 g of 2-carbamoylhydrazonopropionic acid having a melting point of 201° C. (decomposed).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04640892
Source datasetuspto-grants-1987_02
ORD IDord-eaffe5b65b4549bc95a3972b3bc260a7
Source noteuspto-grants-1987_02