L-Histidine hydrochloride
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L-Histidine hydrochloride 속성
- 녹는점
- 240-245 °C (dec.)
- 알파
- [α]D20 +7.0~+10.0°(c=2,HCl)
- 저장 조건
- Inert atmosphere,Room Temperature
- CAS 데이터베이스
- 1007-42-7(CAS DataBase Reference)
안전
안전지침서 | 22-24/25 | ||
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유엔번호(UN No.) | UN 1789 8/PG 3 | ||
WGK 독일 | 3 | ||
F 고인화성물질 | 3-10 | ||
기존화학 물질 | KE-19950 |
L-Histidine hydrochloride C화학적 특성, 용도, 생산
Purification Methods
The dihydrochloride crystallises from water or aqueous EtOH and is washed with acetone, then diethyl ether. Alternatively convert it to the histidine di-(3,4-dichlorobenzenesulfonate) salt by dissolving 3,4-dichlorobenzenesulfonic acid (1.5g/10mL) in the aqueous histidine solution with warming, and then the solution is cooled in ice. The resulting crystals (m 280o dec) can be recrystallised from 5% aqueous 3,4-dichlorobenzenesulfonic acid, then dried over CaCl2 under vacuum, and washed with diethyl ether to remove Purification of Biochemicals — Amino Acids and Peptides excess reagent. The dihydrochloride can be regenerated by passing the solution through a Dowex-1 (Cl-form) ion-exchange column. The solid is obtained by evaporation of the solution on a steam bath or better in a vacuum. [Greenstein & Winitz, The Amino Acids Vol 3 p 1976 1961, Beilstein 25/16 V 366.]L-Histidine hydrochloride 준비 용품 및 원자재
원자재
준비 용품
L-Histidine hydrochloride 공급 업체
글로벌( 209)공급 업체
공급자 | 전화 | 이메일 | 국가 | 제품 수 | 이점 |
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Henan Bao Enluo International TradeCo.,LTD | +86-17331933971 +86-17331933971 |
deasea125996@gmail.com | China | 2503 | 58 |
Hebei Kingfiner Technology Development Co.Ltd | +86-15532196582 +86-15373005021 |
lisa@kingfinertech.com | China | 2989 | 58 |
Shandong Juchuang Chemical Co., LTD | +undefined15030412209 |
admin@juchuangchem.com | China | 387 | 58 |
Hubei Jusheng Technology Co.,Ltd. | 18871490254 |
linda@hubeijusheng.com | CHINA | 28180 | 58 |
Hebei Guanlang Biotechnology Co., Ltd. | +86-19930503282 |
alice@crovellbio.com | China | 8822 | 58 |
Beijing Yibai Biotechnology Co., Ltd | 0086-182-6772-3597 |
sales04@yibaibiotech.com | CHINA | 419 | 58 |
Shanghai Longyu Biotechnology Co., Ltd. | +8619521488211 |
info@longyupharma.com | China | 2534 | 58 |
CONIER CHEM AND PHARMA LIMITED | +8618523575427 |
sales@conier.com | China | 49391 | 58 |
career henan chemical co | +86-0371-86658258 +8613203830695 |
factory@coreychem.com | China | 29825 | 58 |
Neostar United (Changzhou) Industrial Co., Ltd. | +86-519-519-85557386 |
marketing1@neostarunited.com | China | 11006 | 58 |
L-Histidine hydrochloride 관련 검색:
L-(-) 히스티딘 D-글루코사민 L-히스티딘염산염 히스티딘에이치씨엘
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