138257-79-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138257-79-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,2,5 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 138257-79:
(8*1)+(7*3)+(6*8)+(5*2)+(4*5)+(3*7)+(2*7)+(1*9)=151
151 % 10 = 1
So 138257-79-1 is a valid CAS Registry Number.
InChI:InChI=1/C25H31N5O6S/c1-36-25(33)19(28-24(32)23(31)18(27)9-6-7-13-26)14-16-15-29(20-10-3-2-8-17(16)20)37-22-12-5-4-11-21(22)30(34)35/h2-5,8,10-12,15,18-19,23,31H,6-7,9,13-14,26-27H2,1H3,(H,28,32)/t18-,19+,23+/m1/s1