The CAS Registry Mumber 78342-57-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,3,4 and 2 respectively; the second part has 2 digits, 5 and 7 respectively. Calculate Digit Verification of CAS Registry Number 78342-57: (7*7)+(6*8)+(5*3)+(4*4)+(3*2)+(2*5)+(1*7)=151 151 % 10 = 1 So 78342-57-1 is a valid CAS Registry Number.
Get Best Price for78342-57-1Acetic acid (3S,4S,10R,13R,14S,17R)-17-((R)-4-isopropyl-1,5-dimethyl-hex-5-enyl)-4,13,14-trimethyl-tetradecahydro-cyclopropa[9,10]cyclopenta[a]phenanthren-3-yl ester