4312-31-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4312-31-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,3,1 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4312-31:
(6*4)+(5*3)+(4*1)+(3*2)+(2*3)+(1*1)=56
56 % 10 = 6
So 4312-31-6 is a valid CAS Registry Number.
InChI:InChI=1/C20H19NO5.ClH/c1-21-7-13-11(2-3-15-20(13)26-9-23-15)18-14(22)4-10-5-16-17(25-8-24-16)6-12(10)19(18)21;/h2-3,5-6,14,18-19,22H,4,7-9H2,1H3;1H/t14-,18-,19+;/m0./s1