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156928-68-6

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156928-68-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156928-68-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,9,2 and 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 156928-68:
(8*1)+(7*5)+(6*6)+(5*9)+(4*2)+(3*8)+(2*6)+(1*8)=176
176 % 10 = 6
So 156928-68-6 is a valid CAS Registry Number.
InChI:InChI=1/C50H80O23/c1-20-7-12-50(65-18-20)21(2)31-27(73-50)14-49(63)25-6-5-22-13-23(8-10-47(22,3)24(25)9-11-48(31,49)4)66-44-39(62)36(59)40(30(17-53)69-44)70-46-42(72-45-38(61)35(58)33(56)28(15-51)67-45)41(34(57)29(16-52)68-46)71-43-37(60)32(55)26(54)19-64-43/h5,20-21,23-46,51-63H,6-19H2,1-4H3

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