137031-53-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137031-53-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,0,3 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137031-53:
(8*1)+(7*3)+(6*7)+(5*0)+(4*3)+(3*1)+(2*5)+(1*3)=99
99 % 10 = 9
So 137031-53-9 is a valid CAS Registry Number.
InChI:InChI=1/C39H62O15/c1-15-12-23(41)39(54-34(15)48)16(2)24-32(53-39)28(44)25-20-7-6-18-13-19(8-10-37(18,4)21(20)9-11-38(24,25)5)50-36-33(30(46)27(43)22(14-40)51-36)52-35-31(47)29(45)26(42)17(3)49-35/h15-33,35-36,40-47H,6-14H2,1-5H3/t15-,16+,17+,18+,19+,20-,21+,22-,23+,24+,25-,26+,27-,28-,29-,30+,31-,32-,33-,35+,36-,37+,38-,39?/m1/s1