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151812-20-3

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151812-20-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 151812-20-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,1,8,1 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 151812-20:
(8*1)+(7*5)+(6*1)+(5*8)+(4*1)+(3*2)+(2*2)+(1*0)=103
103 % 10 = 3
So 151812-20-3 is a valid CAS Registry Number.
InChI:InChI=1/C65H98N16O17/c1-33(2)29-42(53(66)87)72-54(88)40(21-14-26-69-65(67)68)71-59(93)46-22-15-28-81(46)64(98)52(37(7)85)79-57(91)44(31-39-19-12-9-13-20-39)74-61(95)50(35(5)83)77-56(90)43(30-38-17-10-8-11-18-38)73-62(96)51(36(6)84)78-60(94)47-23-16-27-80(47)63(97)49(34(3)4)76-58(92)45(32-82)75-55(89)41-24-25-48(86)70-41/h8-13,17-20,33-37,40-47,49-52,82-85H,14-16,21-32H2,1-7H3,(H2,66,87)(H,70,86)(H,71,93)(H,72,88)(H,73,96)(H,74,95)(H,75,89)(H,76,92)(H,77,90)(H,78,94)(H,79,91)(H4,67,68,69)/t35-,36-,37-,40+,41+,42+,43+,44+,45+,46+,47+,49+,50+,51+,52+/m1/s1

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