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131022-02-1

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131022-02-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131022-02-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,0,2 and 2 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 131022-02:
(8*1)+(7*3)+(6*1)+(5*0)+(4*2)+(3*2)+(2*0)+(1*2)=51
51 % 10 = 1
So 131022-02-1 is a valid CAS Registry Number.
InChI:InChI=1/C48H73N13O12/c1-25(23-26(2)36(73-7)24-31-13-9-8-10-14-31)17-18-32-27(3)39(63)60-35(45(69)70)19-20-37(62)55-29(5)41(65)56-30(6)42(66)59-34(16-12-22-54-48(51)52)44(68)61-38(46(71)72)28(4)40(64)58-33(43(67)57-32)15-11-21-53-47(49)50/h8-10,13-14,17-18,23,26-28,30,32-36,38H,5,11-12,15-16,19-22,24H2,1-4,6-7H3,(H,55,62)(H,56,65)(H,57,67)(H,58,64)(H,59,66)(H,60,63)(H,61,68)(H,69,70)(H,71,72)(H4,49,50,53)(H4,51,52,54)/b18-17+,25-23+/t26-,27-,28+,30+,32-,33-,34+,35+,36-,38+/m0/s1

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