The CAS Registry Mumber 277749-43-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,7,7,4 and 9 respectively; the second part has 2 digits, 4 and 3 respectively. Calculate Digit Verification of CAS Registry Number 277749-43: (8*2)+(7*7)+(6*7)+(5*7)+(4*4)+(3*9)+(2*4)+(1*3)=196 196 % 10 = 6 So 277749-43-6 is a valid CAS Registry Number.
Get Best Price for277749-43-6Carbonic acid (Z)-(4S,7R,8S,9S,16S)-4-hydroxy-5,5,7,9,13-pentamethyl-16-[(E)-1-methyl-2-(2-methyl-thiazol-4-yl)-vinyl]-2,6-dioxo-azacyclohexadec-13-en-8-yl ester 2,2,2-trichloro-ethyl ester