2-amino-3-(3-indolyl)butanoic acid, also known as tryptophan, is an essential amino acid that plays a crucial role in various biological processes. It is a white crystalline solid with a molecular formula of C11H12N2O2 and a molecular weight of 204.23 g/mol. Tryptophan is a precursor to the neurotransmitter serotonin, which is involved in regulating mood, appetite, and sleep. It is also a component of the neurotransmitter melatonin, which helps regulate the sleep-wake cycle. Additionally, tryptophan is involved in the synthesis of niacin (vitamin B3) and is found in various proteins, making it an important nutrient for human health. Dietary sources of tryptophan include meat, fish, dairy products, and certain plant-based foods like soy and chickpeas.
The CAS Registry Mumber 153-44-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,5 and 3 respectively; the second part has 2 digits, 4 and 4 respectively. Calculate Digit Verification of CAS Registry Number 153-44: (5*1)+(4*5)+(3*3)+(2*4)+(1*4)=46 46 % 10 = 6 So 153-44-6 is a valid CAS Registry Number.