5-Hydroxypyrazolo [1,5-a] pyrimidine CAS: 29274-22-4

Zaton tsarin kwayoyin halittarsa ​​shine C₈H₁₀ClNO₂ (wanda aka zaci dabarar kwayoyin halitta), an ƙaddara nauyin kwayarsa ya zama kusan 187.62 ta hanyar nazarin sinadarai. Yawancin lokaci yana bayyana azaman ruwa mai mai mara launi zuwa ɗan rawaya mai ɗanɗano mai ɗanɗano. Yana da ingantacciyar kwanciyar hankali a yanayin zafin jiki da matsa lamba, amma zai amsa da sinadarai a ƙarƙashin wasu yanayi, kamar zafin jiki mai ƙarfi, acid mai ƙarfi ko yanayin tushe mai ƙarfi. Its tafasar batu da aka ƙaddara ya kasance tsakanin 180-185 ℃, wanda yake shi ne mai girma ma'ana a cikin rabuwa ayyuka kamar distillation.

A cikin bayyanar, ruwan mai mai mara launi zuwa ɗan rawaya yana sa sauƙin bambanta da sauran abubuwa. An auna girmansa ya zama kusan 1.15 g/cm³, wanda ya ɗan fi ruwa nauyi kuma zai nutse cikin tsarin cakuda ruwa. Yana da ƙananan rashin ƙarfi da ƙamshi mai ɗanɗano. Game da solubility, yana da wuya a narke a cikin ruwa, amma sauƙi mai narkewa a cikin nau'o'in nau'in kwayoyin halitta, irin su toluene, ethyl acetate, da dai sauransu.