474668-76-3 Usage
Uses
(1R,?3R)?-1-?(1,?3-?Benzodioxol-?5-?yl)?-?2,?3,?4,?9-?tetrahydro-1H-pyrido[3,?4-?b]?indole-?3-?carboxylic Acid Hydrochloride is an impurity of Tadalafil (T004500) and is a β-?carboline derivative. (1R,?3R)?-1-?(1,?3-?Benzodioxol-?5-?yl)?-?2,?3,?4,?9-?tetrahydro-1H-pyrido[3,?4-?b]?indole-?3-?carboxylic Acid Hydrochloride can be used to produce Tadalafil.
Check Digit Verification of cas no
The CAS Registry Mumber 474668-76-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,4,6,6 and 8 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 474668-76:
(8*4)+(7*7)+(6*4)+(5*6)+(4*6)+(3*8)+(2*7)+(1*6)=203
203 % 10 = 3
So 474668-76-3 is a valid CAS Registry Number.