157199-59-2 Usage
Definition
ChEBI: A C1 cyanine dye having benzothiazolium-2-yl and quinolinium-4-yl substituents.
Check Digit Verification of cas no
The CAS Registry Mumber 157199-59-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,1,9 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 157199-59:
(8*1)+(7*5)+(6*7)+(5*1)+(4*9)+(3*9)+(2*5)+(1*9)=172
172 % 10 = 2
So 157199-59-2 is a valid CAS Registry Number.
InChI:InChI=1/C24H29N3S.2HI/c1-25-22-12-7-8-13-23(22)28-24(25)18-19-14-16-26(15-9-17-27(2,3)4)21-11-6-5-10-20(19)21;;/h5-8,10-14,16,18H,9,15,17H2,1-4H3;2*1H/q+2;;/p-2