155179-21-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155179-21-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,1,7 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 155179-21:
(8*1)+(7*5)+(6*5)+(5*1)+(4*7)+(3*9)+(2*2)+(1*1)=138
138 % 10 = 8
So 155179-21-8 is a valid CAS Registry Number.
InChI:InChI=1/C49H48O20/c1-62-36-24-31(8-19-35(36)53)12-22-40(55)63-25-37-43(58)45(60)46(61)48(66-37)69-49(27-65-41(56)21-10-29-4-15-33(51)16-5-29)47(67-42(57)23-11-30-6-17-34(52)18-7-30)44(59)38(68-49)26-64-39(54)20-9-28-2-13-32(50)14-3-28/h2-24,37-38,43-48,50-53,58-61H,25-27H2,1H3/b20-9+,21-10+,22-12+,23-11+/t37-,38-,43-,44-,45+,46-,47+,48-,49+/m1/s1