87912-51-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87912-51-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,9,1 and 2 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 87912-51:
(7*8)+(6*7)+(5*9)+(4*1)+(3*2)+(2*5)+(1*1)=164
164 % 10 = 4
So 87912-51-4 is a valid CAS Registry Number.
InChI:InChI=1/C81H144N2O33/c1-15-18-55(109-61-33-80(14,83)74(101)44(13)106-61)39(8)63(92)45(16-2)22-25-51(87)38(7)56-26-20-36(5)62(91)40(9)57(111-78-71(100)69(98)67(96)59(34-84)113-78)31-53(89)37(6)52(88)28-49-29-54(90)75(102)81(104,116-49)32-58(35(4)19-23-47(85)27-48(86)24-21-46(17-3)76(103)110-56)112-79-73(115-77-70(99)68(97)65(94)42(11)107-77)72(66(95)43(12)108-79)114-60-30-50(82)64(93)41(10)105-60/h20-22,25,35,37-45,47-75,77-79,84-102,104H,15-19,23-24,26-34,82-83H2,1-14H3/b25-22+,36-20+,46-21+/t35-,37-,38+,39+,40-,41+,42+,43+,44-,45+,47+,48-,49?,50+,51-,52+,53+,54-,55+,56-,57-,58+,59+,60-,61-,62+,63+,64+,65+,66+,67+,68-,69-,70+,71-,72-,73+,74+,75+,77-,78+,79-,80-,81+/m0/s1