83784-01-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83784-01-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,7,8 and 4 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 83784-01:
(7*8)+(6*3)+(5*7)+(4*8)+(3*4)+(2*0)+(1*1)=154
154 % 10 = 4
So 83784-01-4 is a valid CAS Registry Number.
InChI:InChI=1/C37H24N8O12S4.4Na/c1-19-13-22(44-40-31-10-5-20-14-24(58(46,47)48)7-8-25(20)36(31)42-44)6-11-30(19)39-38-21-15-28-29(34(16-21)60(52,53)54)17-23(18-35(28)61(55,56)57)45-41-32-12-9-26-27(37(32)43-45)3-2-4-33(26)59(49,50)51;;;;/h2-18H,1H3,(H,46,47,48)(H,49,50,51)(H,52,53,54)(H,55,56,57);;;;/q;4*+1/p-4