81371-57-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81371-57-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,7 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 81371-57:
(7*8)+(6*1)+(5*3)+(4*7)+(3*1)+(2*5)+(1*7)=125
125 % 10 = 5
So 81371-57-5 is a valid CAS Registry Number.
InChI:InChI=1/C30H37N15O16P2/c31-22-13-25(37-4-34-22)43(7-40-13)28-19(50)16(47)11(58-28)2-55-62(51,52)61-21-18(49)12(59-30(21)45-9-42-15-24(33)36-6-39-27(15)45)3-56-63(53,54)60-20-17(48)10(1-46)57-29(20)44-8-41-14-23(32)35-5-38-26(14)44/h4-12,16-21,28-30,46-50H,1-3H2,(H,51,52)(H,53,54)(H2,31,34,37)(H2,32,35,38)(H2,33,36,39)/t10-,11-,12-,16+,17+,18+,19-,20-,21-,28-,29-,30-/m1/s1