DL-CYSTEIC ACID
|
|
DL-CYSTEIC ACID 속성
- 녹는점
- 273°C (rough estimate)
- 밀도
- 1.433 (estimate)
- 굴절률
- 1.5130 (estimate)
- 물리적 상태
- 고체
- 물리적 상태
- 단단한 모양
- 산도 계수 (pKa)
- 1.3, 1.9, 8.70(at 25℃)
안전
DL-CYSTEIC ACID C화학적 특성, 용도, 생산
Purification Methods
Likely impurities are cystine and oxides of cysteine. Crystallise the acid from water by adding 2 volumes of EtOH. It crystallises from H2O as the monohydrate. When recrystallised from aqueous MeOH it has m 264-266o, and the anhydrous acid has m ~260o(dec). [Chapeville & Formageot Biochim Biophys Acta 26 538 1957, Gortner & Hoffman J Biol Chem 72 435 1927, Greenstein & Winitz The Chemistry of the Amino Acids J. Wiley, Vol 3 p1908 1961.]DL-CYSTEIC ACID 준비 용품 및 원자재
원자재
준비 용품
DL-CYSTEIC ACID 공급 업체
글로벌( 20)공급 업체
| 공급자 | 전화 | 이메일 | 국가 | 제품 수 | 이점 |
|---|---|---|---|---|---|
| Hubei Jusheng Technology Co.,Ltd. | 18871490254 |
linda@hubeijusheng.com | CHINA | 28180 | 58 |
| career henan chemical co | +86-0371-86658258 +8613203830695 |
factory@coreychem.com | China | 29824 | 58 |
| Dideu Industries Group Limited | +86-29-89586680 +86-15129568250 |
1026@dideu.com | China | 24099 | 58 |
| Jiangsu Hongmin Pharmaceutical Co., Ltd. | 18221292452 |
fannieliu@glschina.com | China | 6799 | 58 |
| Nanjing Shizhou Biology Technology Co.,Ltd | -- |
purchase@synzest.com | China | 6857 | 58 |