Reference Source

4(1H)-Pyrimidinone, 2,3-dihydro-6-methyl-2-thioxo-

For 4(1H)-Pyrimidinone, 2,3-dihydro-6-methyl-2-thioxo-, cas no. is 56-04-2; cercla rq (lbs) is 10; rcra waste number is U164; regulatory categories is 4, verified against its source on 2026-08-05.

Substance
4(1H)-Pyrimidinone, 2,3-dihydro-6-methyl-2-thioxo- verified
CAS No.
56-04-2 verified
CERCLA RQ (lbs)
10 verified
RCRA waste number
U164 verified
Regulatory categories
4 verified
Sourceecfr.gov
Verified2026-08-05
Review by2027-08-05
DatasetUS federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)

What the source says

4(1H)-Pyrimidinone, 2,3-dihydro-6-methyl-2-thioxo- | 56-04-2 | 4 | U164 | 10 (4.54)

ecfr.gov, retrieved 2026-08-05

Source

Last verified against source: 2026-08-05. Due for re-check by 2027-08-05. This page as Markdown · OKF bundle · full dataset as JSON.