Identification
Name
Yttrium oxalate tetrahydrate
Chinese Names
草酸钇水合物
Molecular Structure
Properties
Water Content:0
Melting point:400
Risk:36/37
Density:2.51
Molecular Formula
Y2.(C2O4)3.4(H2O)
Molecular Weight
513.93
CAS Registry Number
867-68-5
EINECS
212-767-0
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Identification
Name
Yohimbine hydrochloride
Synonyms
Yohimbine hydrochloride, 17-Hydroxy-yohimban-16-carboxylic acid methyl ester hydrochloride
Chinese Names
盐酸育亨宾片
Molecular Structure
Molecular Formula
C21H26N2O3.HCl
Molecular Weight
390.91
CAS Registry Number
65-19-0
EINECS
200-600-4
Properties
Purity(Titration): min. 99%
Specific rotation [a]20/D: +100 to +105 deg.(c=1,Water)
Hazard Toxicity: LD50 (rat, ipr) 55 mg/kg.
Physics Description: Plates.
Melting Point: Mp 302 deg
Other Data: Component of Potensan, Vikonon.
[...]
Identification
Name
Yohimbine
Synonyms
Yohimbine, 17alpha-Hydroxy-yohimban-16alpha-carboxylic acid methyl ester
Chinese Names
育亨宾; 17alpha-羟基育亨烷-16alpha-羧酸甲酯
Molecular Structure
Properties
Orthorhombic needles from dil alc, mp 234° Also mp 235-237° [alpha]D20 +50.9 to +62.2°(ethanol); [alpha]D20 +108°(pyridine); [alpha]20546 +129°(c = 0.5 in pyridine). uv max (methanol): 226, 280, 291 nm (log epsilon 4.56, 3.88, 3.80). Sparingly sol in water. Sol in alcohol, chloroform, hot benzene; moderately sol in ether.
Purity(Titration): [...]
Identification
Name
Yellow inhibitor HN-150
Synonyms
1,1,1′,1′-Tetramethyl-4,4′-(methylene-di-p-phenylene) disemicarbazide
Chinese Names
防黄剂HN-150, 双(N,N-二甲基酰肼氨基-4-苯基)甲烷
Molecular Structure
Molecular Formula
C21H28N4O2
Molecular Weight
368.47
CAS Registry Number
85095-61-0
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Identification
Name
Yeast extract
Chinese Names
酵母菌粹取
CAS Registry Number
8013-01-2
EINECS
232-387-9
Properties
Comment:A Dry Concentrate of Brewer’s Yeast
Reference:Fisher Cross Reference: BP1422
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