83817-41-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83817-41-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,8,1 and 7 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 83817-41:
(7*8)+(6*3)+(5*8)+(4*1)+(3*7)+(2*4)+(1*1)=148
148 % 10 = 8
So 83817-41-8 is a valid CAS Registry Number.
InChI:InChI=1/C22H17N4O13PS3.3H3N/c27-18-7-4-12-8-16(41(31,32)33)11-20(43(37,38)39)21(12)22(18)26-25-17-6-5-14(10-19(17)42(34,35)36)24-23-13-2-1-3-15(9-13)40(28,29)30;;;/h1-11,27H,(H2,28,29,30)(H,31,32,33)(H,34,35,36)(H,37,38,39);3*1H3/p-1