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195193-90-9

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195193-90-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 195193-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,5,1,9 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 195193-90:
(8*1)+(7*9)+(6*5)+(5*1)+(4*9)+(3*3)+(2*9)+(1*0)=169
169 % 10 = 9
So 195193-90-9 is a valid CAS Registry Number.
InChI:InChI=1/C55H87NO22.C4H7NO4/c1-31-19-17-15-13-11-9-7-8-10-12-14-16-18-20-38(77-54-52(71)47(49(68)34(4)76-54)56(5)29-42(64)50(69)51(70)43(65)30-57)26-44-46(53(72)74-6)41(63)28-55(73,78-44)27-37(60)24-40(62)39(61)22-21-35(58)23-36(59)25-45(66)75-33(3)32(2)48(31)67;5-2(4(8)9)1-3(6)7/h7-20,31-41,43-44,46-52,54,57-63,65,67-71,73H,21-30H2,1-6H3;2H,1,5H2,(H,6,7)(H,8,9)/b8-7-,11-9-,12-10-,15-13-,16-14-,19-17-,20-18-;/t31-,32-,33-,34+,35+,36+,37-,38-,39+,40+,41-,43+,44-,46+,47-,48+,49+,50+,51+,52-,54-,55+;2-/m00/s1

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