laevo-leucine

Full Material List

(2S)-2-amino-4-methylpentanoic acid

Identifiers

CAS (Single)	61-90-5
FEMA	3297
EINECS	200-522-0
Synonyms	ajigras-leucine ajipure leucine (2S)-2- amino-4-methyl pentanoic acid (S)-2- amino-4-methyl pentanoic acid 2- amino-4-methyl pentanoic acid laevo-(-)-2- amino-4-methyl pentanoic acid (S)-2- amino-4-methyl valeric acid 2- amino-4-methyl valeric acid (2S)-2- amino-4-methylpentanoic acid (S)-2- amino-4-methylpentanoic acid L-(-)-2- amino-4-methylpentanoic acid (2S)-a-2- amino-4-methylvaleric acid (S)-2- amino-4-methylvaleric acid alpha- aminoisocaproic acid L-a- aminoisocaproic acid L-alpha- aminoisocaproic acid laevo-alpha- aminoisocaproic acid (2S)-a- leucine (S)- leucine (S)-(+)- leucine L- leucine L-(+)- leucine L- leucine FCC l- leucine fcc; usp L- leucine natural 4- methyl-L-norvaline
JECFA Food Flavoring	1423
JECFA Food Additive	N/A
DG SANTE Food Flavourings	17.012 L-leucine
DG SANTE Food Contact Materials	N/A
FDA UNII	GMW67QNF9C
CoE Number	10482
XlogP3-AA	-1.50 (est)
Molecular Weight	131.17501
Molecular Formula	C6 H13 N O2

Properties

Food Chemicals Codex Listed	Yes
Appearance	white crystalline powder (est)
Assay	98.00 to 100.00
Specific Gravity	N/A
Lbs/Gal (est)	N/A
Refractive Index	N/A
Melting Point	293.00 to 294.00 Â°C. @ 760.00 mm Hg
Boiling Point	563.00 Â°C. @ 760.00 mm Hg
Flash Point	> 230.00 Â°F. TCC ( > 110.00 Â°C. )
Acid Value	N/A
Vapor Pressure	0.031000 mmHg @ 25.00 Â°C. (est)
Vapor Density	N/A
logP (o/w)	0.799 (est)
Soluble In	alcohol, slightly water, 1.538e+004 mg/L @ 25 °C (est) water, 2.15E+04 mg/L @ 25 °C (exp) alcohol
Occurrence	almond seed apple fruit apricot fruit artichoke jerusalem artichoke tuber asparagus shoot avocado fruit banana fruit basil leaf basswood flower bean adzuki bean seed bean asparagus bean fruit bean asparagus bean seed bean banner bean seed bean black bean fruit bean black bean seed bean black bean sprout bean butter bean seed bean fava bean seed bean green bean seed bean lima bean seed bean mat bean seed bean mung bean seed bean mung bean sprout bean winged bean leaf bean winged bean seed bean winged bean tuber bean yam bean tuber beet root blueberry fruit borage leaf brazil nut breadfruit fruit breadfruit seed broadbean seed broccoli asparagus broccoli leaf brussel sprout leaf buckwheat seed burdock root butternut seed cabbage leaf cacao plant caraway seed carob bean seed carrot root cashew nut cassava root cayenne fruit celery plant chayote fruit cherry sour cherry fruit chestnut sweet chestnut nut chickpea seed chicory leaf chive leaf coconut leaf coconut seed coriander fruit coriander leaf coriander seed corn seed cowpea seed cucumber fruit currant black currant fruit juice date palm fruit dill seed eggplant fruit endive leaf evening-primrose seed fenugreek leaf fenugreek seed fig fruit flax seed garlic bulb garlic leaf ginger root ginger tuber ginkgo biloba seed goosefoot leaf gourd calabash gourd fruit grape fruit guava fruit guava strawberry guava fruit kohlrabi stem leek wild leek plant lentil seed lentil sprout lettuce lamb's lettuce plant lettuce leaf lotus indian lotus rhizome lotus indian lotus seed lupin white lupin seed lupine white lupine seed macadamia nut mallow jew's mallow leaf mandarin fruit mango fruit marango shoot melon bitter melon seed mushroom shiitake mushroom fruit mustard white mustard seed oat plant oat seed okra fruit onion bulb orange fruit papaya fruit pea black-eyed pea seed pea fruit pea pigeon pea seed pea seed pea shoot peach fruit peanut seed pear fruit pepper bell pepper fruit peppermint leaf pigweed leaf pine pinyon pine seed pineapple fruit pistachio nut plum fruit poppy opium poppy seed potato sweet potato root potato tuber purslane herb radish root rice hay rosemary leaf rye seed saffron bulb sesame seed shea tree seed sorrel west african sorrel leaf soybean seed soybean shoot spearmint leaf spinach indian spinach leaf spinach leaf spinach plant spinach water spinach leaf squash summer squash fruit star fruit fruit strawberry guava fruit sunflower seed taro leaf taro root tarragon leaf tarragon root tea leaf thyme plant tomato fruit turnip indian turnip root walnut black walnut nut walnut english walnut nut watercress herb watermelon fruit watermelon seed wheat plant wheat seed yam mountain yam root

Organoleptic

Organoleptic Notes
Odor	N/A
Flavor	N/A

AInsights BETA

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FlavScents AInsights integrates information from authoritative government, scientific, academic, and industry sources to provide applied, exposure-aware insight into flavor and fragrance materials. Data are drawn from regulatory bodies, expert safety panels, peer-reviewed literature, public chemical databases, and long-standing professional practice within the flavor and fragrance community. Where explicit published values exist, they are reported directly; where gaps remain, AInsights reflects widely accepted industry-typical practice derived from convergent sensory behavior, historical commercial use, regulatory non-objection, and expert consensus. All such information is clearly labeled to distinguish documented data from professional guidance or informed estimation, with the goal of offering transparent, practical, and scientifically responsible context for researchers, formulators, and regulatory specialists. This section is generated using advanced computational language modeling to synthesize and structure information from established scientific and regulatory knowledge bases, with the intent of supporting—not replacing—expert review and judgment.

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