630-83-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 630-83-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,3 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 630-83:
(5*6)+(4*3)+(3*0)+(2*8)+(1*3)=61
61 % 10 = 1
So 630-83-1 is a valid CAS Registry Number.
InChI:InChI=1/C17H19NO3.C7H4O7/c1-18-7-6-17-10-3-5-13(20)16(17)21-15-12(19)4-2-9(14(15)17)8-11(10)18;8-2-1-3(6(10)11)14-5(4(2)9)7(12)13/h2-5,10-11,13,16,19-20H,6-8H2,1H3;1,9H,(H,10,11)(H,12,13)/t10-,11+,13-,16-,17-;/m0./s1