52934-85-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52934-85-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,9,3 and 4 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 52934-85:
(7*5)+(6*2)+(5*9)+(4*3)+(3*4)+(2*8)+(1*5)=137
137 % 10 = 7
So 52934-85-7 is a valid CAS Registry Number.
InChI:InChI=1/C16H16O7/c1-7-16(22)10(5-8(23-7)6-12(18)19)14(20)9-3-2-4-11(17)13(9)15(16)21/h2-4,7-8,10,17,22H,5-6H2,1H3,(H,18,19)/t7?,8-,10?,16+/m1/s1