The CAS Registry Mumber 156764-52-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,7,6 and 4 respectively; the second part has 2 digits, 5 and 2 respectively. Calculate Digit Verification of CAS Registry Number 156764-52: (8*1)+(7*5)+(6*6)+(5*7)+(4*6)+(3*4)+(2*5)+(1*2)=162 162 % 10 = 2 So 156764-52-2 is a valid CAS Registry Number.
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Get Best Price for156764-52-2Trifluoro-methanesulfonic acid (8S,9S,13S,14S,17S)-17-cyano-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl ester