CAS.coolHomeSearchNotificationsMessagesProfileSettingsPost
Sign inSign up

Trending Chemicals

#1 · Trending in chemicals

CAS 64-17-5

ethanol (

276 posts

#2 · Trending in chemicals

CAS 110-54-3

hexane (

110 posts

#3 · Trending in chemicals

CAS 7732-18-5

water (

106 posts

#4 · Trending in chemicals

CAS 141-78-6

hexane (

91 posts

#5 · Trending in chemicals

CAS 67-56-1

methanol (

89 posts

Show more

Who to Follow

No suggestions available yet.

Find more people

About · Explore · Settings

© 2026 CAS.cool

98-79-3

2 posts

9
Message

98-79-3

@98-79-3

📅 Joined February 2021
0 Following0 Followers
PostsRepliesMediaLikes
9
98-79-3@98-79-3·Feb 7
CAS 98-79-3

CAS号: 98-79-3 英文名称: L-Pyroglutamic acid 英文同义词: L-Pyr;PYR-OH;-Pyrog;Pidolic;PGLU-OH;L-Pyr-OH;H-PYR-OH;L-Pyr-PH;Silk gum;H-PGLU-OH 中文名称: L-焦谷氨酸 中文同义词: 氧脯氨酸;焦谷氨酸;麩內醯胺酸;氧化脯氨酸;-焦谷氨酸;L-焦谷氨酸;L-焦性胶氨酸;L-焦性麸质酸;5-羧基吡咯烷酮;L-焦谷氨酸标准品 分子式: C5H7NO3 分子量: 129.11 熔点 : 160-163 °C(lit.) 比旋光度 : -27.5 º (c=10, 1 N NaOH) 沸点 : 239.15°C (rough estimate) 密度 : 1.3816 (rough estimate) 折射率 : -10 ° (C=5, H2O) 储存条件 : Store at RT. 溶解度 : H2O: 1 M at 20 °C, clear, colorless 形态: Crystalline Powder 酸度系数(pKa): 3.32(at 25℃) 颜色: White to off-white PH值: 1.7 (50g/l, H2O, 20℃) 旋光性 (optical activity): [α]20/D 10.5±1°, c = 5% in H2O 水溶解性 : 10-15 g/100 mL (20 ºC) Merck : 14,8001 BRN : 82132 稳定性: Stable. Incompatible with bases, acids, strong oxidizing agents. CAS 数据库: 98-79-3(CAS DataBase Reference) NIST化学物质信息: Pidolic acid(98-79-3) EPA化学物质信息: 5-Oxo-L-proline (98-79-3) 危险品标志 : Xi 危险类别码 : 36/37/38 安全说明 : 26-36-37/39 WGK Germany : 3 RTECS号: TW3710000 F : 21 TSCA : Yes HazardClass : IRRITANT 海关编码 : 29337900

550
9
98-79-3@98-79-3·Feb 7
CAS 98-79-3

CAS号: 98-79-3 英文名称: L-Pyroglutamic acid 英文同义词: 中文名称: 中文同义词: 分子式: C5H7NO3 分子量: 129.11398 颜色: White to off-white crystalline powder

543