42975-12-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42975-12-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,9,7 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 42975-12:
(7*4)+(6*2)+(5*9)+(4*7)+(3*5)+(2*1)+(1*2)=132
132 % 10 = 2
So 42975-12-2 is a valid CAS Registry Number.
InChI:InChI=1/C29H40O8/c1-6-15-9-24(37-25(34)14(15)2)28(5,35)22-7-8-29(36)17-10-19(30)18-11-20(31)21(32)13-26(18,3)16(17)12-23(33)27(22,29)4/h10,16,18,20-22,24,31-32,35-36H,6-9,11-13H2,1-5H3/t16-,18-,20+,21-,22-,24+,26+,27-,28+,29+/m0/s1