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131984-90-2

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131984-90-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131984-90-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,9,8 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 131984-90:
(8*1)+(7*3)+(6*1)+(5*9)+(4*8)+(3*4)+(2*9)+(1*0)=142
142 % 10 = 2
So 131984-90-2 is a valid CAS Registry Number.
InChI:InChI=1/C34H57NO8/c1-18(24-10-11-32(2,41)17-35(24)5)27-25(37)15-23-21-7-6-19-14-20(8-12-33(19,3)22(21)9-13-34(23,27)4)42-31-30(40)29(39)28(38)26(16-36)43-31/h6,18,20-31,36-41H,7-17H2,1-5H3/t18-,20?,21-,22?,23+,24-,25-,26-,27+,28-,29+,30-,31-,32?,33+,34+/m1/s1

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