74764-16-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74764-16-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,7,6 and 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74764-16:
(7*7)+(6*4)+(5*7)+(4*6)+(3*4)+(2*1)+(1*6)=152
152 % 10 = 2
So 74764-16-2 is a valid CAS Registry Number.
InChI:InChI=1/C76H142O15/c1-5-9-13-17-21-25-29-33-37-41-45-49-53-57-67(79)86-63-66(88-69(81)59-55-51-47-43-39-35-31-27-23-19-15-11-7-3)75(91-76-73(85)72(84)71(83)64(61-77)89-76)74(90-70(82)60-56-52-48-44-40-36-32-28-24-20-16-12-8-4)65(62-78)87-68(80)58-54-50-46-42-38-34-30-26-22-18-14-10-6-2/h62,64-66,71-77,83-85H,5-61,63H2,1-4H3/t64-,65+,66-,71-,72+,73-,74-,75-,76-/m1/s1